File:11742 SDO-Year 5 ProRes 1920x1080 2997.webm
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Description11742 SDO-Year 5 ProRes 1920x1080 2997.webm |
English: February 11, 2015 marks five years in space for NASA's Solar Dynamics Observatory, which provides incredibly detailed images of the whole sun 24 hours a day. Capturing an image more than once per second, SDO has provided an unprecedentedly clear picture of how massive explosions on the sun grow and erupt ever since its launch on Feb. 11, 2010. The imagery is also captivating, allowing one to watch the constant ballet of solar material through the sun's atmosphere, the corona.
In honor of SDO's fifth anniversary, NASA has released a video showcasing highlights from the last five years of sun watching. Watch the movie to see giant clouds of solar material hurled out into space, the dance of giant loops hovering in the corona, and huge sunspots growing and shrinking on the sun's surface. The imagery is an example of the kind of data that SDO provides to scientists. By watching the sun in different wavelengths – and therefore different temperatures – scientists can watch how material courses through the corona, which holds clues to what causes eruptions on the sun, what heats the sun's atmosphere up to 1,000 times hotter than its surface, and why the sun's magnetic fields are constantly on the move. Five years into its mission, SDO continues to send back tantalizing imagery to incite scientists' curiosity. For example, in late 2014, SDO captured imagery of the largest sun spots seen since 1995 as well as a torrent of intense solar flares. Solar flares are bursts of light, energy and X-rays. They can occur by themselves or can be accompanied by what's called a coronal mass ejection, or CME, in which a giant cloud of solar material erupts off the sun, achieves escape velocity and heads off into space. In this case, the sun produced only flares and no CMEs, which, while not unheard of, is somewhat unusual for flares of that size. Scientists are looking at that data now to see if they can determine what circumstances might have led to flares eruptions alone. Goddard built, operates and manages the SDO spacecraft for NASA's Science Mission Directorate in Washington, D.C. SDO is the first mission of NASA's Living with a Star Program. The program's goal is to develop the scientific understanding necessary to address those aspects of the sun-Earth system that directly affect our lives and society. The audio track for this video features the music tracks "Expanding Universe" and "Facing the Unknown", both from Killer Tracks. This audio track includes copyright-restricted content that is not accepted on Wikimedia Commons and, as such, this copy of the video does not include the audio track.Čeština: Vybrané záběry vesmírné observatoře Solar Dynamics Observatory, sloužící výhradně pro sledování sluneční aktivity, vypuštěné agenturou NASA do kosmu v roce 2010.
Polski: Najlepsze ujęcia Słońca zarejestrowane przez satelitę Solar Dynamics Observatory opublikowane z okazji pięciu lat trwania jego misji.
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Date | |
Source | https://svs.gsfc.nasa.gov/11742 (video link (4Gb) |
Author | NASA's Goddard Space Flight Center/SDO |
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This file was selected as the media of the day for 2 June 2020. It was captioned as follows:
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Čeština: Vybrané záběry vesmírné observatoře Solar Dynamics Observatory, sloužící výhradně pro sledování sluneční aktivity, vypuštěné agenturou NASA do kosmu v roce 2010. Polski: Najlepsze ujęcia Słońca zarejestrowane przez satelitę Solar Dynamics Observatory opublikowane z okazji pięciu lat trwania jego misji.
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current | 10:18, 7 June 2020 | 4 min 36 s, 1,920 × 1,080 (985.91 MB) | Huntster (talk | contribs) | Imported media from https://svs.gsfc.nasa.gov/vis/a010000/a011700/a011742/11742_SDO-Year_5_ProRes_1920x1080_2997.mov | |
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