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    "title": "Three Years of SDO Images",
    "description": "In the three years since it first provided images of the sun in the spring of 2010, NASA's Solar Dynamics Observatory (SDO) has had virtually unbroken coverage of the sun's rise toward solar maximum, the peak of solar activity in its regular 11-year cycle. This video shows those three years of the sun at a pace of two images per day. Each image is displayed for two frames at a 29.97 frame rate.SDO's Atmospheric Imaging Assembly (AIA) captures a shot of the sun every 12 seconds in 10 different wavelengths. 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",
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            "description": "In the three years since it first provided images of the sun in the spring of 2010, NASA's Solar Dynamics Observatory (SDO) has had virtually unbroken coverage of the sun's rise toward solar maximum, the peak of solar activity in its regular 11-year cycle. This video shows those three years of the sun at a pace of two images per day. Each image is displayed for two frames at a 29.97 frame rate.<p><p>SDO's Atmospheric Imaging Assembly (AIA) captures a shot of the sun every 12 seconds in 10 different wavelengths. 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.<p><p>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.<p><p>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 &mdash; with the hopes of some day improving our ability to predict this space weather.<p><p>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.<p><p>Noteworthy events that appear briefly in the main sequence of this video:<p><p>00:30;24 Partial eclipse by the moon<p><p>00:31;16 Roll maneuver<p><p>01:11;02 August 9, 2011 X6.9 Flare, currently the largest of this solar cycle<p><p>01:28;07 Comet Lovejoy, December 15, 2011<p><p>01:42;29 Roll Maneuver<p><p>01:51;07 Transit of Venus, June 5, 2012<p><p>02:28;13 Partial eclipse by the moon<p><p><b><font size=+1>Watch this video on <a href=\"http://youtu.be/piuKlpJmjfg\">YouTube.</a></font></b>",
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    "related": [
        {
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            "release_date": "2016-02-12T09:00:00-05:00",
            "update_date": "2023-05-03T13:48:54.988843-04:00",
            "main_image": {
                "id": 427343,
                "url": "https://svs.gsfc.nasa.gov/vis/a010000/a012100/a012144/SDO_Year6_HCblend_HD.png",
                "filename": "SDO_Year6_HCblend_HD.png",
                "media_type": "Image",
                "alt_text": "This ultra-high definition (3840x2160) video shows the sun in the 171 angstrom wavelength of extreme ultraviolet light. It covers a time period of January 2, 2015 to January 28, 2016 at a cadence of one frame every hour, or 24 frames per day.  This timelapse is repeated with narration by solar scientist Nicholeen Viall and contains close-ups and annotations. 171 angstrom light highlights material around 600,000 Kelvin and shows features in the upper transition region and quiet corona of the sun. The video is available to download here at 59.94 frames per second, double the rate YouTube currently allows for UHD content.  The music is titled \"Tides\" and is from Killer Tracks.Watch this video on the NASA Goddard YouTube channel.Complete transcript available.",
                "width": 1920,
                "height": 1080,
                "pixels": 2073600
            }
        },
        {
            "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. Watch the video to see a time-lapse sequence of SDO observations that spans three years in the life of the sun. || ",
            "release_date": "2013-06-11T00:00:00-04:00",
            "update_date": "2023-05-03T13:52:05.198502-04:00",
            "main_image": {
                "id": 464475,
                "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011200/a011270/Cover1024.jpg",
                "filename": "Cover1024.jpg",
                "media_type": "Image",
                "alt_text": "See three years of solar activity in three minutes.",
                "width": 1024,
                "height": 576,
                "pixels": 589824
            }
        },
        {
            "id": 10996,
            "url": "https://svs.gsfc.nasa.gov/10996/",
            "page_type": "Produced Video",
            "title": "SDO's Ultra-high Definition View of 2012 Venus Transit",
            "description": "Launched on Feb. 11, 2010, the Solar Dynamics Observatory, or SDO, is the most advanced spacecraft ever designed to study the sun. During its five-year mission, it will examine the sun's atmosphere, magnetic field and also provide a better understanding of the role the sun plays in Earth's atmospheric chemistry and climate. SDO provides images with resolution 8 times better than high-definition television and returns more than a terabyte of data each day.On June 5 2012, SDO collected images of the rarest predictable solar event—the transit of Venus across the face of the sun. This event lasted approximately 6 hours and happens in pairs eight years apart, which are separated from each other by 105 or 121 years. The last transit was in 2004 and the next will not happen until 2117.The videos and images displayed here are constructed from several wavelengths of extreme ultraviolet light and a portion of the visible spectrum. The red colored sun is the 304 angstrom ultraviolet, the golden colored sun is 171 angstrom, the magenta sun is 1700 angstrom, and the orange sun is filtered visible light. 304 and 171 show the atmosphere of the sun, which does not appear in the visible part of the spectrum. || ",
            "release_date": "2012-06-05T00:00:00-04:00",
            "update_date": "2025-01-12T00:19:38.737288-05:00",
            "main_image": {
                "id": 475645,
                "url": "https://svs.gsfc.nasa.gov/vis/a010000/a010900/a010996/AIA171A_Venus_Transit_20120605T211212new_web.jpg",
                "filename": "AIA171A_Venus_Transit_20120605T211212new_web.jpg",
                "media_type": "Image",
                "alt_text": "193 angstrom image from SDO",
                "width": 319,
                "height": 191,
                "pixels": 60929
            }
        },
        {
            "id": 10886,
            "url": "https://svs.gsfc.nasa.gov/10886/",
            "page_type": "Produced Video",
            "title": "SDO Sees Comet Lovejoy Survive Close Encounter With Sun",
            "description": "One instrument watching for the comet was the Solar Dynamics Observatory (SDO), which adjusted its cameras in order to watch the trajectory. Not only does this help with comet research, but it also helps orient instruments on SDO—since the scientists know where the comet is based on other spacecraft, they can finely determine the position of SDO's mirrors. This first clip from SDO from the evening of Dec 15, 2011 shows Comet Lovejoy moving in toward the sun. Comet Lovejoy survived its encounter with the sun. The second clip shows the comet exiting from behind the right side of the sun, after an hour of travel through its closest approach to the sun. By tracking how the comet interacts with the sun's atmosphere, the corona, and how material from the tail moves along the sun's magnetic field lines, solar scientists hope to learn more about the corona. This movie was filmed by the Solar Dynamics Observatory in 171 angstrom wavelength, which is typically shown in yellow.Credit: NASA/SDO || ",
            "release_date": "2011-12-19T22:00:00-05:00",
            "update_date": "2023-05-03T13:53:22.302326-04:00",
            "main_image": {
                "id": 480444,
                "url": "https://svs.gsfc.nasa.gov/vis/a010000/a010800/a010886/Comet_Lovejoy_Still_2.jpg",
                "filename": "Comet_Lovejoy_Still_2.jpg",
                "media_type": "Image",
                "alt_text": "Slowed and looped video with music.For complete transcript, click here.",
                "width": 1280,
                "height": 720,
                "pixels": 921600
            }
        }
    ],
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}