{ "id": 5136, "url": "https://svs.gsfc.nasa.gov/5136/", "page_type": "Visualization", "title": "STEREO-A Returns by Earth", "description": "The Solar Terrestrial Relations Observatory (STEREO) mission was launched on October 25, 2006, with the purpose of tracing the flow of energy and matter from the Sun to Earth. The STEREO mission began with two spacecraft: STEREO-A and STEREO-B. Each was launched into Sun-orbiting trajectories - STEREO-A moving ahead of Earth, and STEREO-B moving behind Earth (STEREO's Routes to Solar Orbits). In mid-August 2023, the still-operational STEREO-A (STEREO-B went offline in October 2014) will pass Earth for the first time since its launch 17 years ago. Like race cars driving different speeds around a circular track, STEREO-A is traveling slightly faster than Earth around the Sun. After launch, STEREO-A pulled ahead of Earth and extended its lead a little bit more with each orbit. Now, STEREO-A’s lead is so great that it is catching up to Earth from behind and is about to “lap” Earth, having completed 18 circuits around the Sun while Earth completed just 17. || ", "release_date": "2023-08-22T00:00:00-04:00", "update_date": "2025-01-06T00:44:34.491471-05:00", "main_image": { "id": 857695, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/STEREOflyby.STEREOflybyZoom.GSE.AU.clockSlate_EarthTarget.HD1080.00500_print.jpg", "filename": "STEREOflyby.STEREOflybyZoom.GSE.AU.clockSlate_EarthTarget.HD1080.00500_print.jpg", "media_type": "Image", "alt_text": "A view of the orbit of STEREO-A relative to Earth from mid-June 2023 to mid-October 2023, as it passes Earth. The camera is anchored on the Earth-Sun line so Earth and the Sun appear fixed while the distant stars appear to move around the camera. This movie starts with a wide view of the inner solar system with STEREO-A and Earth marked. The camera then zooms in to a closer view of Earth showing Solar Dynamics Observatory (SDO) orbiting Earth, the heliophysics missions orbiting the L1 Lagrange Point (the green cross), and the orbit of the Moon.", "width": 1024, "height": 576, "pixels": 589824 }, "main_video": null, "main_credits": { "Visualizations by": [ { "name": "Tom Bridgman", "employer": "Global Science and Technology, Inc." } ] }, "progress": "Complete", "media_groups": [ { "id": 311791, "url": "https://svs.gsfc.nasa.gov/5136/#media_group_311791", "widget": "Basic text with HTML", "title": "", "caption": "", "description": "The Solar Terrestrial Relations Observatory (STEREO) mission was launched on October 25, 2006, with the purpose of tracing the flow of energy and matter from the Sun to Earth. The STEREO mission began with two spacecraft: STEREO-A and STEREO-B. Each was launched into Sun-orbiting trajectories - STEREO-A moving ahead of Earth, and STEREO-B moving behind Earth (STEREO's Routes to Solar Orbits).

In mid-August 2023, the still-operational STEREO-A (STEREO-B went offline in October 2014) will pass Earth for the first time since its launch 17 years ago. Like race cars driving different speeds around a circular track, STEREO-A is traveling slightly faster than Earth around the Sun. After launch, STEREO-A pulled ahead of Earth and extended its lead a little bit more with each orbit. Now, STEREO-A’s lead is so great that it is catching up to Earth from behind and is about to “lap” Earth, having completed 18 circuits around the Sun while Earth completed just 17.

", "items": [], "extra_data": {} }, { "id": 311792, "url": "https://svs.gsfc.nasa.gov/5136/#media_group_311792", "widget": "Video player", "title": "", "caption": "", "description": "A view of the orbit of STEREO-A relative to Earth from mid-June 2023 to mid-October 2023, as it passes Earth. The camera is anchored on the Earth-Sun line so Earth and the Sun appear fixed while the distant stars appear to move around the camera. This movie starts with a wide view of the inner solar system with STEREO-A and Earth marked. The camera then zooms in to a closer view of Earth showing Solar Dynamics Observatory (SDO) orbiting Earth, the heliophysics missions orbiting the L1 Lagrange Point (the green cross), and the orbit of the Moon.

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The camera then zooms in to a closer view of Earth showing Solar Dynamics Observatory (SDO) orbiting Earth, the heliophysics missions orbiting the L1 Lagrange Point (the green cross), and the orbit of the Moon.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 204551, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 857696, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/STEREOflyby.STEREOflybyZoom.GSE.AU.clockSlate_EarthTarget.HD1080.00500_searchweb.png", "filename": "STEREOflyby.STEREOflybyZoom.GSE.AU.clockSlate_EarthTarget.HD1080.00500_searchweb.png", "media_type": "Image", "alt_text": "The STEREO mission, launched on October 26, 2007, consisted of two satellites equipped with ultraviolet imagers for the solar disk (EUVI), coronographs (COR) and heliospheric imagers (HI) for observing the Sun and the region around it from persepectives not possible from Earth.", "width": 180, "height": 320, "pixels": 57600 } }, { "id": 204552, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 857697, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/STEREOflyby.STEREOflybyZoom.GSE.AU.clockSlate_EarthTarget.HD1080.00500_thm.png", "filename": "STEREOflyby.STEREOflybyZoom.GSE.AU.clockSlate_EarthTarget.HD1080.00500_thm.png", "media_type": "Image", "alt_text": "A view of the orbit of STEREO-A relative to Earth from mid-June 2023 to mid-October 2023, as it passes Earth. 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The camera then zooms in to a closer view of Earth showing Solar Dynamics Observatory (SDO) orbiting Earth, the heliophysics missions orbiting the L1 Lagrange Point (the green cross), and the orbit of the Moon.", "width": 3840, "height": 2160, "pixels": 8294400 } }, { "id": 437420, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1099175, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/STEREOflyby.STEREOflybyZoom.HD1080_p30.mp4.hwshow", "filename": "STEREOflyby.STEREOflybyZoom.HD1080_p30.mp4.hwshow", "media_type": "HyperwallShow", "alt_text": "", "width": 0, "height": 0, "pixels": null } } ], "extra_data": {} }, { "id": 311793, "url": "https://svs.gsfc.nasa.gov/5136/#media_group_311793", "widget": "Basic text with HTML", "title": "", "caption": "", "description": "
The STEREO mission has accomplished a number of scientific feats, including the following:

1) The first stereo imagery of the Sun with the Extreme UltraViolet Imager (EUVI) instruments
- First 3-D Stereo from STEREO: EUVI 171 Angstroms (Full Disk View)

2) Tracking a coronal mass ejection from the Sun to Earth
- From the Sun to the Earth: CME Enhancement

3) First 360-degree coverage of the solar 'surface'
- STEREO's Ongoing Mission to See the Sun from All Sides
- STEREO+SDO: Around the Sun for 81 Days
- STEREO Achieves Full Solar Coverage: All the Sun. All the Time

4) Multiple views of very large coronal mass ejections
- As Seen by STEREO-A: The Carrington-Class CME of 2012
- As Seen by STEREO-B: The Carrington-Class CME of 2012

5) Identified a dust ring at the orbit of Venus
- Venus Dust Ring

6) Participated in many coordinated observations with other missions
- The CME Heard 'Round the Solar System
- Coordinated Heliosphere - How Solar Missions Work Together
- The Many Eyes on the Parker Solar Probe Perihelion (February 2022)

", "items": [], "extra_data": {} }, { "id": 311794, "url": "https://svs.gsfc.nasa.gov/5136/#media_group_311794", "widget": "Video player", "title": "", "caption": "", "description": "A view of the orbit of STEREO-A relative to Earth from mid-June 2023 to mid-October 2023 as it passes Earth. The camera is fixed on the Earth-Sun line so Earth and Sun appear fixed while the distant stars appear to move around the camera.", "items": [ { "id": 204558, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 857703, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/STEREOflyby.InnerSolarSystem.GSE.AU.clockSlate_EarthTarget.HD1080.00500_print.jpg", "filename": "STEREOflyby.InnerSolarSystem.GSE.AU.clockSlate_EarthTarget.HD1080.00500_print.jpg", "media_type": "Image", "alt_text": "A view of the orbit of STEREO-A relative to Earth from mid-June 2023 to mid-October 2023 as it passes Earth. 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The camera is fixed on the Earth-Sun line so Earth and Sun appear fixed while the distant stars appear to move around the camera.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 204555, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 857602, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/frames/3840x2160_16x9_30p/STEREOflyby.Basic/", "filename": "STEREOflyby.Basic", "media_type": "Frames", "alt_text": "A view of the orbit of STEREO-A relative to Earth from mid-June 2023 to mid-October 2023 as it passes Earth. The camera is fixed on the Earth-Sun line so Earth and Sun appear fixed while the distant stars appear to move around the camera.", "width": 3840, "height": 2160, "pixels": 8294400 } }, { "id": 204557, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 857516, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/STEREOflyby.InnerSolarSystem.UHD3840_2160p30.mp4", "filename": "STEREOflyby.InnerSolarSystem.UHD3840_2160p30.mp4", "media_type": "Movie", "alt_text": "A view of the orbit of STEREO-A relative to Earth from mid-June 2023 to mid-October 2023 as it passes Earth. 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In this movie, a triangular marker appears when STEREO-A is within a four-degree angle of Earth relative to the Sun. In this range, it is practical to construct stereo imagery using STEREO-A and near-Earth solar observing missions.", "items": [ { "id": 204561, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 857710, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/STEREOflyby.STEREOflybyMarker.GSE.AU.clockSlate_EarthTarget.HD1080.00300_print.jpg", "filename": "STEREOflyby.STEREOflybyMarker.GSE.AU.clockSlate_EarthTarget.HD1080.00300_print.jpg", "media_type": "Image", "alt_text": "A view of the orbit of STEREO-A relative to Earth from mid-June 2023 to mid-October 2023 as it passes Earth. The camera is fixed on the Earth-Sun line so Earth and Sun appear fixed while the distant stars appear to move around the camera. In this movie, a triangular marker appears when STEREO-A is within a four-degree angle of Earth relative to the Sun. In this range, it is practical to construct stereo imagery using STEREO-A and near-Earth solar observing missions.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 204559, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 857611, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/frames/1920x1080_16x9_30p/STEREOflyby.Marker/", "filename": "STEREOflyby.Marker", "media_type": "Frames", "alt_text": "A view of the orbit of STEREO-A relative to Earth from mid-June 2023 to mid-October 2023 as it passes Earth. The camera is fixed on the Earth-Sun line so Earth and Sun appear fixed while the distant stars appear to move around the camera. In this movie, a triangular marker appears when STEREO-A is within a four-degree angle of Earth relative to the Sun. 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In this range, it is practical to construct stereo imagery using STEREO-A and near-Earth solar observing missions.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 204562, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 857713, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/frames/3840x2160_16x9_30p/STEREOflyby.Marker/", "filename": "STEREOflyby.Marker", "media_type": "Frames", "alt_text": "A view of the orbit of STEREO-A relative to Earth from mid-June 2023 to mid-October 2023 as it passes Earth. The camera is fixed on the Earth-Sun line so Earth and Sun appear fixed while the distant stars appear to move around the camera. In this movie, a triangular marker appears when STEREO-A is within a four-degree angle of Earth relative to the Sun. In this range, it is practical to construct stereo imagery using STEREO-A and near-Earth solar observing missions.", "width": 3840, "height": 2160, "pixels": 8294400 } }, { "id": 204563, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 857781, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/STEREOflyby.STEREOflybyMarker.UHD3840_2160p30.mp4", "filename": "STEREOflyby.STEREOflybyMarker.UHD3840_2160p30.mp4", "media_type": "Movie", "alt_text": "A view of the orbit of STEREO-A relative to Earth from mid-June 2023 to mid-October 2023 as it passes Earth. The camera is fixed on the Earth-Sun line so Earth and Sun appear fixed while the distant stars appear to move around the camera. In this movie, a triangular marker appears when STEREO-A is within a four-degree angle of Earth relative to the Sun. In this range, it is practical to construct stereo imagery using STEREO-A and near-Earth solar observing missions.", "width": 3840, "height": 2160, "pixels": 8294400 } }, { "id": 437422, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 1099177, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005136/STEREOflyby.STEREOflybyMarker.HD1080_p30.mp4.hwshow", "filename": "STEREOflyby.STEREOflybyMarker.HD1080_p30.mp4.hwshow", "media_type": "HyperwallShow", "alt_text": "", "width": 0, "height": 0, "pixels": null } } ], "extra_data": {} }, { "id": 311796, "url": "https://svs.gsfc.nasa.gov/5136/#media_group_311796", "widget": "Basic text", "title": "For More Information", "caption": "", "description": "See [NASA.gov](https://www.nasa.gov/feature/goddard/2023/sun/after-seventeen-years-a-spacecraft-makes-its-first-visit-home)", "items": [], "extra_data": {} } ], "studio": "svs", "funding_sources": [ "NASA Heliophysics" ], "credits": [ { "role": "Visualizer", "people": [ { "name": "Tom Bridgman", "employer": "Global Science and Technology, Inc." } ] }, { "role": "Writer", "people": [ { "name": "Miles S. Hatfield", "employer": "Telophase" } ] }, { "role": "Technical support", "people": [ { "name": "Laurence Schuler", "employer": "ADNET Systems, Inc." }, { "name": "Ian Jones", "employer": "ADNET Systems, Inc." } ] } ], "missions": [ "STEREO" ], "series": [ "STEREO - The Second Time Around..." ], "tapes": [], "papers": [], "datasets": [ { "name": "DE 431", "common_name": "", "platform": null, "sensor": null, "type": "Ephemeris", "organizations": [ "JPL" ], "description": "Planetary ephemerides SPICE kernel", "credit": "", "url": "", "date_range": "2023-06-12T00:00:00 to 2023-10-12T00:00:00" } ], "nasa_science_categories": [ "Sun" ], "keywords": [ "Heliophysics", "Hyperwall", "Orbit", "SDO", "SOHO", "STEREO" ], "recommended_pages": [], "related": [ { "id": 5165, "url": "https://svs.gsfc.nasa.gov/5165/", "page_type": "Visualization", "title": "STEREO - The Second Time Around...", "description": "In mid-August 2023, the still-operational STEREO-A (STEREO-B went offline in October 2014) passed Earth for the first time since its launch 17 years ago. See also STEREO-A Returns by Earth.While STEREO-B is no longer available, it is possible to construct stereo imagery of the Sun using STEREO-A with Solar Dynamics Observatory (SDO). Here we present a series of images for corresponding filters between the two missions which can be used for stereo viewing.Color (SDO color table) Left/Right Image PairsIn this section, we present frame-synchronized left eye (STEREO-A) and right eye (SDO) for the specified ultraviolet filter. They are provided as separate movie and frame-sets to maximize flexibility for the target viewing technology. Time stamps are provided as separate image files for compositing if desired. If you match frame numbers for the image sets for a specific filter, you will have images closest in time for apropriate left/right eye pairing.171 Angstrom filter || ", "release_date": "2024-01-05T00:00:00-05:00", "update_date": "2023-12-20T08:56:54.370288-05:00", "main_image": { "id": 1088223, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a005100/a005165/SDO_2023Jul03-16_171A.00100_print.jpg", "filename": "SDO_2023Jul03-16_171A.00100_print.jpg", "media_type": "Image", "alt_text": "Color image set for right eye (SDO: 171 angstrom filter). Provided as separate images for easier customization to different display configurations. Matching frame numbers correspond to within 12 seconds. ", "width": 1024, "height": 1024, "pixels": 1048576 } }, { "id": 4970, "url": "https://svs.gsfc.nasa.gov/4970/", "page_type": "Visualization", "title": "The Many Eyes on the Parker Solar Probe Perihelion (February 2022)", "description": "This visualization opens with a top-down view, then transtions to an oblique view of the inner solar system with the various solar-observing missions conducting coordinated observations of the plasma environment. This version displays the imaging instrument camera frustums and solar magnetic field alignments - the 'glyph' version. A version with just the orbits, no 'glyphs' is available in the [Download Options] menu. || SolarSynergiesPlus.Encounter2022FebTop2Side.HAE.AU.glyphs_CRTT.HD1080.01300_print.jpg (1024x576) [123.3 KB] || SolarSynergiesPlus.Encounter2022FebTop2Side.HAE.AU.glyphs_CRTT.HD1080.01300_searchweb.png (320x180) [78.9 KB] || SolarSynergiesPlus.Encounter2022FebTop2Side.HAE.AU.glyphs_CRTT.HD1080.01300_thm.png (80x40) [5.2 KB] || Encounter2022FebTop2Side (1920x1080) [0 Item(s)] || Encounter2022FebTop2Side.glyphs (1920x1080) [0 Item(s)] || SolarSynergiesPlus.Encounter2022FebTop2Side.HD1080_p30.mp4 (1920x1080) [47.0 MB] || SolarSynergiesPlus.Encounter2022FebTop2Side.glyphs.HD1080_p30.mp4 (1920x1080) [60.7 MB] || SolarSynergiesPlus.Encounter2022FebTop2Side.HD1080_p30.webm (1920x1080) [9.7 MB] || Encounter2022FebTop2Side (3840x2160) [0 Item(s)] || Encounter2022FebTop2Side.glyphs (3840x2160) [0 Item(s)] || SolarSynergiesPlus.Encounter2022FebTop2Side.UHD2160_p30.mp4 (3840x2160) [143.6 MB] || SolarSynergiesPlus.Encounter2022FebTop2Side.glyphs.UHD2160_p30.mp4 (3840x2160) [176.4 MB] || SolarSynergiesPlus.Encounter2022FebTop2Side.HD1080_p30.mp4.hwshow [220 bytes] || ", "release_date": "2022-02-25T10:00:00-05:00", "update_date": "2025-01-06T00:19:45.634227-05:00", "main_image": { "id": 372784, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004900/a004970/SolarSynergiesPlus.Encounter2022FebTop2Side.HAE.AU.glyphs_CRTT.HD1080.01300_print.jpg", "filename": "SolarSynergiesPlus.Encounter2022FebTop2Side.HAE.AU.glyphs_CRTT.HD1080.01300_print.jpg", "media_type": "Image", "alt_text": "This visualization opens with a top-down view, then transtions to an oblique view of the inner solar system with the various solar-observing missions conducting coordinated observations of the plasma environment. This version displays the imaging instrument camera frustums and solar magnetic field alignments - the 'glyph' version. A version with just the orbits, no 'glyphs' is available in the [Download Options] menu.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 4805, "url": "https://svs.gsfc.nasa.gov/4805/", "page_type": "Visualization", "title": "Coordinated Heliosphere - How Solar Missions Work Together", "description": "Using Solar Orbiter, Parker Solar Probe, and other sun-observing missions, in coordinated observations, we can learn far more about the solar atmosphere which surrounds and impacts Earth and other missions in space, crewed and uncrewed. || ", "release_date": "2020-12-07T10:00:00-05:00", "update_date": "2025-01-06T00:17:03.196323-05:00", "main_image": { "id": 386078, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004800/a004805/SolarSynergies.EncounterFocus.HAE.AU.clockSlate_CRTT.HD1080i.02910_print.jpg", "filename": "SolarSynergies.EncounterFocus.HAE.AU.clockSlate_CRTT.HD1080i.02910_print.jpg", "media_type": "Image", "alt_text": "This visualization presents an oblique view of the inner solar system with the various solar-observing missions conducting coordinated observations of the plasma environment. This version slows to 1/8 speed during the identified encounters to more easily view the spacecraft configurations.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 4704, "url": "https://svs.gsfc.nasa.gov/4704/", "page_type": "Visualization", "title": "Venus Dust Ring", "description": "In this visualization we open with a wide view of the inner solar system with the dust ring located at the orbit of Venus. The camera zooms in to a location just beyond the position of STEREO-A to look back at the orbit of Venus. This shows the enhancement of scattering by the dust ring near the greatest elongation of Venus' orbit relative to STEREO-A. || VenusDustRing.STEREOAview.HAE.AU.clockSlate_EarthTarget.HD1080i.00500_print.jpg (1024x576) [130.4 KB] || VenusDustRing.STEREOAview.HAE.AU.clockSlate_EarthTarget.HD1080i.00500_searchweb.png (320x180) [77.0 KB] || VenusDustRing.STEREOAview.HAE.AU.clockSlate_EarthTarget.HD1080i.00500_thm.png (80x40) [4.3 KB] || STEREOAview (1920x1080) [0 Item(s)] || VenusDustRing.STEREOAview.HD1080i_p30.webm (1920x1080) [9.4 MB] || VenusDustRing.STEREOAview.HD1080i_p30.mp4 (1920x1080) [740.4 MB] || STEREOAview (3840x2160) [0 Item(s)] || VenusDustRing.STEREOAview_2160p30.mp4 (3840x2160) [2.6 GB] || VenusDustRing.STEREOAview.HD1080i_p30.mp4.hwshow [203 bytes] || ", "release_date": "2019-03-12T10:00:00-04:00", "update_date": "2025-01-06T00:13:58.630096-05:00", "main_image": { "id": 397442, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004700/a004704/VenusDustRing.STEREOAview.HAE.AU.clockSlate_EarthTarget.HD1080i.00500_print.jpg", "filename": "VenusDustRing.STEREOAview.HAE.AU.clockSlate_EarthTarget.HD1080i.00500_print.jpg", "media_type": "Image", "alt_text": "In this visualization we open with a wide view of the inner solar system with the dust ring located at the orbit of Venus. The camera zooms in to a location just beyond the position of STEREO-A to look back at the orbit of Venus. This shows the enhancement of scattering by the dust ring near the greatest elongation of Venus' orbit relative to STEREO-A.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 4699, "url": "https://svs.gsfc.nasa.gov/4699/", "page_type": "Visualization", "title": "The CME Heard 'Round the Solar System", "description": "As the CMEs and SIRs move through the solar system, we include graphs of particle fluxes measured at Earth, Mars, and STEREO-A. || SEPsAtMars.topfixed.UHDframes.clockSlate_HAE.UHD3840.01000_print.jpg (1024x576) [100.6 KB] || SEPsAtMars.topfixed.UHDframes.clockSlate_HAE.UHD3840.01000_thm.png (80x40) [6.5 KB] || SEPsAtMars.topfixed.UHDframes.clockSlate_HAE.UHD3840.01000_searchweb.png (320x180) [87.5 KB] || SEPsAtMars.topfixed_HAE.HD1080i_p30.mp4 (1920x1080) [19.4 MB] || 1920x1080_16x9_30p (1920x1080) [0 Item(s)] || SEPsAtMars.topfixed_HAE.HD1080i_p30.webm (1920x1080) [3.0 MB] || SEPsAtMars.topfixed_HAE_2160p30.mp4 (3840x2160) [61.6 MB] || 3840x2160_16x9_30p (3840x2160) [0 Item(s)] || ", "release_date": "2018-11-30T14:00:00-05:00", "update_date": "2021-12-08T17:25:07-05:00", "main_image": { "id": 399088, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004600/a004699/SEPsAtMars.topfixed.UHDframes.clockSlate_HAE.UHD3840.01000_print.jpg", "filename": "SEPsAtMars.topfixed.UHDframes.clockSlate_HAE.UHD3840.01000_print.jpg", "media_type": "Image", "alt_text": "As the CMEs and SIRs move through the solar system, we include graphs of particle fluxes measured at Earth, Mars, and STEREO-A.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 4177, "url": "https://svs.gsfc.nasa.gov/4177/", "page_type": "Visualization", "title": "As Seen by STEREO-A: The Carrington-Class CME of 2012", "description": "STEREO-A, at a position along Earth's orbit where it has an unobstructed view of the far side of the Sun, could clearly observe possibly the most powerful coronal mass ejection (CME) of solar cyle 24 on July 23, 2012. The visualizations on this page cover the entire day.We see the flare erupt in the lower right quadrant of the solar disk from a large active region. The material is launched into space in a direction towards STEREO-A. This creates the ring-like 'halo' CME visible in the STEREO-A coronagraph, COR-2 (blue circular image).As the CME expands beyond the field of view of the COR-2 imager, the high energy particles reach STEREO-A, creating the snow-like noise in the image. The particles also strike the HI-2 imager (blue square) brightening the image.The HI-1 imager has had 'bloom removal' enabled and filled with contents of the immediately previous HI-1 image, which creates a linear artifact above and below bright stars and planets. || ", "release_date": "2014-07-23T00:00:00-04:00", "update_date": "2021-02-22T07:53:03-05:00", "main_image": { "id": 454425, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004100/a004177/STEREOAEUVI304A_stand.HD1080i.00041.png", "filename": "STEREOAEUVI304A_stand.HD1080i.00041.png", "media_type": "Image", "alt_text": "A bright flare erupts from an active region in this image from STEREO-A 304 angstrom ultraviolet filter.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 4178, "url": "https://svs.gsfc.nasa.gov/4178/", "page_type": "Visualization", "title": "As Seen by STEREO-B: The Carrington-Class CME of 2012", "description": "Like SDO, STEREO-B did not have a direct view of the coronal mass ejection (CME) launched by the sun on July 23, 2012. However, the active region involved was very close to the limb of the sun (lower left quadrant) and STEREO-B provided an excellent view of plasma launched in both ultraviolet light and the white-light coronagraph. || ", "release_date": "2014-07-23T00:00:00-04:00", "update_date": "2025-01-05T22:31:09.977667-05:00", "main_image": { "id": 454512, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a004100/a004178/STEREOBEUVI304A_stand.HD1080i.00030.png", "filename": "STEREOBEUVI304A_stand.HD1080i.00030.png", "media_type": "Image", "alt_text": "In this sequence from the STEREO-B, 304 angstrom ultraviolet filter, we see the CME rising from the lower left limb of the sun.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 3993, "url": "https://svs.gsfc.nasa.gov/3993/", "page_type": "Visualization", "title": "STEREO's Ongoing Mission to See the Sun from All Sides", "description": "In 2012, the two STEREO spacecraft, Ahead (STEREO-A) and Behind (STEREO-B) continue on their orbits around the Sun. For the next several years, the spacecraft will be positioned to observe the side of the Sun not visible from the Earth. || ", "release_date": "2012-09-20T00:00:00-04:00", "update_date": "2023-05-03T13:52:46.705612-04:00", "main_image": { "id": 472249, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003900/a003993/stereoAB.slate_HEEmove.HD1080i.1500.jpg", "filename": "stereoAB.slate_HEEmove.HD1080i.1500.jpg", "media_type": "Image", "alt_text": "A movie of showing the orbits of the STEREO A & B spacecraft in relation to the planets of the inner solar system in 2012.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 3890, "url": "https://svs.gsfc.nasa.gov/3890/", "page_type": "Visualization", "title": "From the Sun to the Earth: CME Enhancement", "description": "This visualization shows the dataset from STEREO-A processed to enhance the visibility of the coronal mass ejection (CME) in entry #3846. The data are combined from the SECCHI instrument, which includes an ultraviolet image of the Sun (EUVI), two coronographs (COR-1 & COR-2), and the wide-angle Heliospheric Imagers (HI-1 & HI-2).Because the enhancement process for the CME involves computing differences from a number of sequential HI-1 and HI-2 images, the Earth (left side) and Venus (middle) are masked and oversized icons are installed to mark their position. The dark shape on the left of the field of view is created by an occulting tab that was installed to (occasionally) hide the bright Earth in the view.The little cross markers label three other planets in the view of STEREO. Uranus is almost invisible in the scale of this imagery, but is visible in full-resolution datasets. || ", "release_date": "2011-12-06T00:00:00-05:00", "update_date": "2025-01-05T22:08:33.027732-05:00", "main_image": { "id": 480754, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003800/a003890/STEREOCMECrop.composite._stand.HD1080i.00250.jpg", "filename": "STEREOCMECrop.composite._stand.HD1080i.00250.jpg", "media_type": "Image", "alt_text": "A view of the heliospheric region viewed from STEREO-A, using difference algorithms to enhance the visibility of the CME.", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 3851, "url": "https://svs.gsfc.nasa.gov/3851/", "page_type": "Visualization", "title": "STEREO+SDO: Around the Sun for 81 Days", "description": "This is a sequence of 4Kx2K images, cylindrical-equidistant projection, of the Sun that can be mapped to a sphere. The sequence was assembled by combining 304 Ångstrom (extreme ultraviolet wavelength) images from STEREO-A, STEREO-B, and the Solar Dynamics Observatory (SDO). The series covers the time frame shortly after the STEREO spacecraft moved into a position where they had a complete view of the side of the Sun not visible from the Earth (see Sun 360).Technical DetailsThe data are sampled in time approximately every three hours. Since each spacecraft is at a slightly different distance from the Sun, the intensity received by each pixel was normalized to correspond to the intensity one astronomical unit from the Sun using the inverse-square law. The flux was also adjusted for the fact that each pixel captures a different fraction of the light due to their different angular size for each spacecraft. The image from each spacecraft is then reprojected using the World Coordinate System (WCS) routines of the SolarSoft library. Masks were made to smooth the transition where datasets overlap. There are a few gaps in the data, especially near the poles of the Sun, that are filled using data from the previous time step.Note: This sequence is suitable for animation and visualization purposes but NOT for scientific analysis. || ", "release_date": "2011-10-31T00:00:00-04:00", "update_date": "2023-05-03T13:53:31.019436-04:00", "main_image": { "id": 483822, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003800/a003851/solarSphere304A.0200_searchweb.png", "filename": "solarSphere304A.0200_searchweb.png", "media_type": "Image", "alt_text": "This movie is 81 days of satellite data with near complete coverage of the solar sphere.", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 3809, "url": "https://svs.gsfc.nasa.gov/3809/", "page_type": "Visualization", "title": "STEREO Achieves Full Solar Coverage: All the Sun. All the Time", "description": "When the two STEREO spacecraft move into positions on opposite sides of the Sun, we will have the capability to see a full 360 degrees around the solar sphere (there will probably still be some gaps in visibility near the poles of the Sun). Combined with solar observing satellites near the Earth, such as SDO and SOHO, this coverage will last for about eight years and the STEREO spacecraft move along in their orbits.This movie illustrates the orbital motions of the two STEREO spacecraft relative to the Earth (and noting the positions of the planets Mercury & Venus for reference). The camera occupies a position fixed relative to the Earth and Sun, so the distant starfield appears to spin around the observer. Because the frames are sampled at one per solar day, the Earth does not appear to rotate, but patient observation reveals that the tilt of the planet relative to the Sun, varies throughout the year, with the northern hemisphere tilted towards the Sun in northern hemisphere summer and away from the Sun in northern hemisphere winter. || ", "release_date": "2011-02-06T11:00:00-05:00", "update_date": "2023-05-03T13:53:53.542162-04:00", "main_image": { "id": 488556, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003800/a003809/BeyondEarthView.1555.jpg", "filename": "BeyondEarthView.1555.jpg", "media_type": "Image", "alt_text": "This movie shows the STEREO spacecraft moving around the Sun relative to Earth's orbit, the orbit plotted through 2019, after the two STEREOs cross behind the Sun relative to Earth. The Earth is enlarged to keep it visible. ", "width": 1920, "height": 1080, "pixels": 2073600 } }, { "id": 3423, "url": "https://svs.gsfc.nasa.gov/3423/", "page_type": "Visualization", "title": "First 3-D Stereo from STEREO: EUVI 171 Angstroms (Full Disk View)", "description": "This movie shows the Sun from the two STEREO spacecraft using the 171 || ", "release_date": "2007-04-25T12:00:00-04:00", "update_date": "2023-05-03T13:55:42.138412-04:00", "main_image": { "id": 508677, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003400/a003423/EUVI_171A_Full_RedCyan_720p_web.png", "filename": "EUVI_171A_Full_RedCyan_720p_web.png", "media_type": "Image", "alt_text": "This is a stereographic version of the movie. Red/Cyan stereo glasses are required to view it properly. ", "width": 320, "height": 180, "pixels": 57600 } }, { "id": 3364, "url": "https://svs.gsfc.nasa.gov/3364/", "page_type": "Visualization", "title": "STEREO's Routes to Solar Orbits", "description": "The two STEREO spacecraft, A (red path) and B (yellow path), are launched from the Earth into a highly eccentric orbit with an apogee that reaches the orbit of the Moon. Once in this orbit, the trajectories are adjusted so they can receive gravity-assists from the Moon. The gravity assist will send them both into heliocentric orbits, one spacecraft ahead of the Earth and the other behind the Earth.This trajectory was generated using a spacecraft ephemeris generated shortly after launch. || ", "release_date": "2007-02-07T00:00:00-05:00", "update_date": "2023-05-03T13:55:45.102887-04:00", "main_image": { "id": 509286, "url": "https://svs.gsfc.nasa.gov/vis/a000000/a003300/a003364/trajectoryL_stereo.nodate_tour.HD720p.0001.jpg", "filename": "trajectoryL_stereo.nodate_tour.HD720p.0001.jpg", "media_type": "Image", "alt_text": "This movie has a slightly altered camera path and rendered in Left/Right eye pairs for stereo projection.", "width": 1280, "height": 720, "pixels": 921600 } } ], "sources": [], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }