A DECADE OF SUN
NASA’s Solar Dynamics Observatory — SDO — has now been watching the Sun non-stop for over a full decade. From its orbit in space around the Earth, SDO has gathered 425 million high-resolution images of the Sun, amassing 20 million gigabytes of data over the past 10 years. This information has enabled countless new discoveries about the workings of our closest star and how it influences the solar system. With a triad of instruments, SDO captures an image of the Sun every 0.75 seconds. The Atmospheric Imaging Assembly (AIA) instrument alone captures images every 12 seconds at 10 different wavelengths of light. This 10-year time lapse showcases photos taken at a wavelength of 17.1 nanometers, which is an extreme ultraviolet wavelength that shows the Sun’s outermost atmospheric layer — the corona. Compiling one photo every hour, the movie condenses a decade of the Sun into 61 minutes. The video shows the rise and fall in activity that occurs as part of the Sun’s 11-year solar cycle and notable events, like transiting planets and eruptions. The custom music, titled “Solar Observer,” was composed by musician Lars Leonhard (https://www.lars-leonhard.de). While SDO has kept an unblinking eye pointed towards the Sun, there have been a few moments it missed. The dark frames in the video are caused by Earth or the Moon eclipsing SDO as they pass between the spacecraft and the Sun. A longer blackout in 2016 was caused by a temporary issue with the AIA instrument that was successfully resolved after a week. The images where the Sun is off-center were observed when SDO was calibrating its instruments. SDO and other NASA missions will continue to watch our Sun in the years to come, providing further insights about our place in space and information to keep our astronauts and assets safe. Some noteworthy events appear briefly in this time lapse. Use the time links below to jump to each event, or follow the links to more detailed views. 6:20 June 7, 2011-- A massive prominence eruption explodes from the lower right of the Sun. See the video: https://www.youtube.com/watch?v=HloC4xMg4Z4 https://svs.gsfc.nasa.gov/10801 12:24 June 5, 2012-- The transit of Venus across the face of the Sun. Won’t happen again until 2117. See the video: https://www.youtube.com/watch?v=4Z9rM8ChTjY https://svs.gsfc.nasa.gov/10996 13:06 July 19, 2012-- A complex loop of magnetic fields and plasma forms and lasts for hours. See the video: https://www.youtube.com/watch?v=HFT7ATLQQx8 https://svs.gsfc.nasa.gov/11168 13:50 Aug. 31, 2012-- The most iconic eruption of this solar cycle bursts from the lower left of the Sun. See the video: https://www.youtube.com/watch?v=GrnGi-q6iWc https://svs.gsfc.nasa.gov/11095 20:25 Sept. 29, 2013-- A prominence eruption forms a long 'canyon’ that is then covered with loops of plasma. See the video: https://www.youtube.com/watch?v=Qurh_BZ-O2E https://svs.gsfc.nasa.gov/11379 26:39 Oct. 8, 2014-- Active regions on the Sun resemble a jack o’ lantern just in time for Halloween. https://svs.gsfc.nasa.gov/11711 36:18 May 9, 2016-- Mercury transits across the face of the Sun. Smaller and more distant than Venus it is hard to spot. See the video: https://www.youtube.com/watch?v=PhO6Ufw9h_s https://svs.gsfc.nasa.gov/12235 43:20 July 5, 2017-- A large sunspot group spends two weeks crossing the face of the Sun. See the video: https://www.youtube.com/watch?v=SungFXUsoqw https://svs.gsfc.nasa.gov/12105 44:20 Sept. 6, 2017-- The most powerful sequence of flares during this solar cycle crackle for several days, peaking at X9.3. See the video: https://www.youtube.com/watch?v=q-ZQBlWdlAY https://svs.gsfc.nasa.gov/12706 57:38 Nov. 11, 2019-- Mercury transits the Sun once more for SDO. The next transit won’t be until 2032. See the video: https://www.youtube.com/watch?v=0yNzSwlnQ2Q https://svs.gsfc.nasa.gov/13425 Read more: https://www.nasa.gov/feature/goddard/2020/watch-a-10-year-time-lapse-of-sun-from-nasa-s-sdo Music: "Solar Observer" written and produced for this video by Lars Leonhard (https://www.lars-leonhard.de) Video credit: NASA's Goddard Space Flight Center/SDO Scott Wiess Inger (USRA): Lead Producer Tom Bridgman (GST): Lead Data Visualizer Mara Johnson-Groh (Wyle Information Systems): Lead Science Writer This video is public domain and along with other supporting
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Earth from Space in 4K – Expedition 65 Edition
The people who get to see the Earth from space marvel at its beauty, the colors, the fragility they feel about the planet 250 miles below them. Now it’s your turn: this ultra-high definition video, captured during the International Space Station’s Expedition 65, allows you an extended, appreciative gawk at the home planet in all its glory. Hit play, and go into orbit mode. This footage was shot from the International Space Station
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Snoopy is Going to Space on NASA's Artemis I Moon Mission
There may not be any humans aboard NASA's #Artemis I flight test, but there will be a special canine: Snoopy! Learn why Astronaut Snoopy is flying to space when Artemis launches on its historic mission around the Moon and back. Artemis I is the first integrated flight test of the Space Launch System rocket that will send the uncrewed Orion spacecraft around the Moon and back to Earth. The mission will check out all spacecraft systems for the first time before crew fly aboard Artemis II. It's one more step toward taking the next giant leap: sending the first astronauts to Mars. Get all the info on this historic mission: https://nasa.gov/specials/artemis-i The history of Snoopy and NASA: https://go.nasa.gov/3cNgB65 Producers: Scott Bednar, Jessica Wilde, Sami Aziz Videographer: Ben Smegelsky Credit: NASA
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How Do Spacecraft Slow Down- We Asked a NASA Technologist
How do spacecraft slow down? Rigid heat shields and retropropulsion have been the favorites of engineers for years. Now NASA is testing a new inflatable heat shield technology that could allow us to carry even larger payloads to worlds with atmospheres: https://www.nasa.gov/loftid Launching on Nov. 1 aboard a United Launch Alliance Atlas V rocket along with NOAA’s JPSS-2 mission, the Low-Earth Orbit Flight Test of an Inflatable Decelerator, or LOFTID, will demonstrate the heat shield’s ability to slow down and survive atmospheric entry: https://go.nasa.gov/3N7yzBG Producers: Scott Bednar, Jessica Wilde Editor: Daniel Salazar Credit: NASA #NASA #Technology #Spacecraft
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How to Bring Mars Sample Tubes Safely to Earth (Mars News Report)
NASA’s Perseverance Mars rover is filling sample tubes with rocky material on the Red Planet as the agency works on the next steps to get them safely back to Earth. The Mars Sample Return campaign would bring samples collected by the Perseverance rover to Earth for detailed study. The campaign involves an international interplanetary relay team, including the European Space Agency (ESA). These samples could answer a key question: did life ever exist on Mars? Aaron Yazzie, who works on the Mars Sample Return campaign, explains the work being done at NASA’s Jet Propulsion Laboratory to ensure the safe return of the sample tubes. For more information on Mars Sample Return, visit mars.nasa.gov/msr Credit: NASA/JPL-Caltech
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Real Friend | Trust | What is friendship actually?
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#SandeepMaheshwariQuotes
#BelieveInFriendship
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