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NASA
NASA | Gradient Sun
Watching a particularly beautiful movie of the sun helps show how the lines between science and art can sometimes blur. But there is more to the connection between the two disciplines: science and art techniques are often quite...
NASA
The Solar Cycle As Seen From Space
The Sun is stirring from its latest slumber. As sunspots and flares, signs of a new solar cycle, bubble from the Sun’s surface, scientists are anticipating a flurry of solar activity over the next few years. Roughly...
NASA
NASA-funded Balloon Recovered From Antarctica
For 12 days in January 2016, a football-field-sized balloon with a telescope hanging beneath it floated 24 miles above the Antarctic continent, riding the spiraling polar vortex. On Jan. 31, 2016, scientists sent the...
NASA
Active October Sun Releases X-Class Flare
Brighter than a shimmering ghost, faster than the flick of a black cat’s tail, the Sun cast a spell in our direction, just in time for Halloween. This imagery captured by NASA’s Solar Dynamics Observatory...
NASA
NASA's SDO Captures Mercury Transit Time-lapse
Around 13 times per century, Mercury passes between Earth and the sun in a rare astronomical event known as a planetary transit. The 2016 Mercury transit occurred on May 9, between roughly 7:12 a.m. and 2:42 p.m....
NASA
Mercury Transit 2019 - 4K
Starting around approximately 1200 - 1808 UTC (7:00 am - 1:38pm ET) November 11, 2019, NASA's Solar Dynamics Observatory watched as Mercury move across the Sun. The Solar Dynamics Observatory views the Sun in a variety of...
NASA
What Spacecraft Saw During the 2017 Solar Eclipse
On Aug. 21, 2017, a solar eclipse passed over North America. People throughout the continent experienced a partial solar eclipse, and a total solar eclipse passed over a narrow swath of land...
NASA
NASA | SDO: Year 5
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...
NASA
NASA | SDO: Year 2
April 21, 2012 marks the two-year anniversary of the Solar Dynamics Observatory (SDO) First Light press conference, where NASA revealed the first images taken by the spacecraft. This video highlights just some of the amazing events...
NASA
September 2017 Starts With Flare
NASA’s Solar Dynamics Observatory, which watches the sun constantly, captured images of the events. Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth's atmosphere to...
NASA
SDO Sees Trio of Mid-Level Flares
The sun emitted three mid-level solar flares on July 22 and 23, 2016, the strongest peaking at 1:16 am EDT on July 23. The sun is currently in a period of low activity, moving toward whats called solar minimum when there are...
NASA
NASA | Death-Defying Comets Explore the Sun's Atmosphere
To observe how winds move high in Earth's atmosphere, scientists sometimes release clouds of barium as tracers to track how the material corkscrews and sweeps around � but scientists have no similar technique to study the turbulent...
NASA
Two Weeks in the Life of a Sunspot
On July 5, 2017, NASA's Solar Dynamics Observatory watched AR26665, an active region -- an area of intense and complex magnetic fields -- rotate into view on the sun. The satellite continued to track the region as it grew and...