{ "id": 11270, "url": "https://svs.gsfc.nasa.gov/11270/", "page_type": "Produced Video", "title": "1,000 Days Of The Sun", "description": "In the spring of 2010, NASA’s Solar Dynamics Observatory, or SDO, provided its first views of the sun. Since then the spacecraft has had virtually unbroken coverage of our star, capturing one image every 12 seconds in 10 different wavelengths. The collection of images chronicles the sun’s rise toward solar maximum, the peak of solar activity in its regular 11-year cycle. Repeatedly caught in the act were solar flares and coronal mass ejections, powerful eruptions that can send radiation and solar material toward Earth and interfere with satellite operations in space. SDO’s constant monitoring of the sun help scientists understand what causes these giant explosions—with the goal of someday improving our ability to predict this space weather. 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{ "id": 308154, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 464501, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011270/Venus_Transit1024_web.png", "filename": "Venus_Transit1024_web.png", "media_type": "Image", "alt_text": "In 2012, SDO captured images of Venus (black dot) crossing in front of the sun.", "width": 320, "height": 180, "pixels": 57600 } } ], "extra_data": {} }, { "id": 345634, "url": "https://svs.gsfc.nasa.gov/11270/#media_group_345634", "widget": "Single image", "title": "", "caption": "", "description": "This solar flare (upper right), which took place on Aug. 9, 2011, was the largest flare so far this solar cycle, classified as an X6.9.", "items": [ { "id": 308155, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 464504, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011270/Solar_Flare1280.jpg", "filename": "Solar_Flare1280.jpg", "media_type": "Image", "alt_text": 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so far this solar cycle, classified as an X6.9.", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 308158, "type": "media", "extra_data": null, "title": null, "caption": null, "instance": { "id": 464505, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011270/Solar_Flare1024_web.png", "filename": "Solar_Flare1024_web.png", "media_type": "Image", "alt_text": "This solar flare (upper right), which took place on Aug. 9, 2011, was the largest flare so far this solar cycle, classified as an X6.9.", "width": 320, "height": 180, "pixels": 57600 } } ], "extra_data": {} }, { "id": 345635, "url": "https://svs.gsfc.nasa.gov/11270/#media_group_345635", "widget": "Basic text", "title": "For More Information", "caption": "", "description": "See [NASA.gov](http://www.nasa.gov/mission_pages/sdo/news/first-light-3rd.html)", "items": [], "extra_data": {} } ], "studio": "gms", "funding_sources": [ "PAO" ], "credits": [ { "role": "Video editor", "people": [ { "name": "Scott Wiessinger", 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The images shown here are based on a wavelength of 171 angstroms, which is in the extreme ultraviolet range and shows solar material at around 600,000 Kelvin. In this wavelength it is easy to see the sun's 25-day rotation as well as how solar activity has increased over three years.During the course of the video, the sun subtly increases and decreases in apparent size. This is because the distance between the SDO spacecraft and the sun varies over time. The image is, however, remarkably consistent and stable despite the fact that SDO orbits the Earth at 6,876 miles per hour and the Earth orbits the sun at 67,062 miles per hour.Such stability is crucial for scientists, who use SDO to learn more about our closest star. These images have regularly caught solar flares and coronal mass ejections in the act, types of space weather that can send radiation and solar material toward Earth and interfere with satellites in space. SDO's glimpses into the violent dance on the sun help scientists understand what causes these giant explosions — with the hopes of some day improving our ability to predict this space weather.The four wavelength view at the end of the video shows light at 4500 angstroms, which is basically the visible light view of the sun, and reveals sunspots; light at 193 angstroms which highlights material at 1 million Kelvin and reveals more of the sun's corona; light at 304 angstroms which highlights material at around 50,000 Kelvin and shows features in the transition region and chromosphere of the sun; and light at 171 angstroms.Noteworthy events that appear briefly in the main sequence of this video:00:30;24 Partial eclipse by the moon00:31;16 Roll maneuver01:11;02 August 9, 2011 X6.9 Flare, currently the largest of this solar cycle01:28;07 Comet Lovejoy, December 15, 201101:42;29 Roll Maneuver01:51;07 Transit of Venus, June 5, 201202:28;13 Partial eclipse by the moonWatch this video on YouTube. || ", "release_date": "2013-04-22T14:00:00-04:00", "update_date": "2023-05-03T13:52:13.276278-04:00", "main_image": { "id": 466375, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011255/Timelapse_Sun_1080-16x9.jpg", "filename": "Timelapse_Sun_1080-16x9.jpg", "media_type": "Image", "alt_text": "Video of three years-worth of SDO data at a wavelength of 171 angstroms and then 4 different synchronized wavelengths: 171, 304, 193, and 4500. Information about the still image is below.Music: \"A Lady's Errand of Love\" - composed and performed by Martin LassFor complete transcript, click here.", "width": 1920, "height": 1080, "pixels": 2073600 } } ], "sources": [], "products": [], "newer_versions": [], "older_versions": [], "alternate_versions": [] }