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Use the search bar above to find specific subjects — try queries like "Apollo 11," "Hubble Deep Field," "Mars surface," or "astronaut EVA." You can also filter by media type (image, video, or audio). For a daily curated experience, visit the Astronomy Picture of the Day.
Showing results for "Solar Dynamics Observatory SDO"
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The only active region observed this week appeared on Dec. 5, 2018 and grew into an average size display of dynamic...
The sun emitted three mid-level solar flares on July 22-23, 2016, the strongest peaking at 1:16 am EDT on July 23....
The magnetic field lines between a pair of active regions formed a beautiful set of swaying arches rising up above...
Three substantial coronal holes rotated across the face of the Sun the week of Sept. 8-10, 2015 as seen by NASA...
This still image from an animation from NASA GSFC Solar Dynamics Observatory shows a single plume of plasma, many...
A dark, elongated filament rose up and broke to the lower left and out from the sun seen by NASA Solar Dynamics...
A mass of plasma gathered itself into a twisting mass, spun around for a bit, then rose up and broke apart over a...
A small, but complex mass of plasma gyrated and spun about over the course of 40 hours above the surface of the Sun...
A prominence at the edge of the sun provided us with a splendid view of solar plasma as it churned and streamed over...
A relatively small active region erupted twice in 18 hours (Mar. 2, 2018). After each burst, one can see the...
At the edge of the sun, a large prominence and a small prominence began to shift, turn and fall apart in less than...
This still image from an animation from NASA GSFC Solar Dynamics Observatory shows magnetically charged particles...
A close-up of twisting plasma above the Sun's surface produced a nice display of turbulence by caused combative...
An active region at the sun's edge produced several M5-class (medium sized) flares over a ten-hour period (Apr. 3,...
The sun has been virtually spotless, as in no sunspots, over the past 11 days, a spotless stretch that we have not...
On Oct. 24-25, 2018 a solar prominence rose up above the Sun's surface, twisted and spun around, then became...
When an active region rotated over to the edge of the sun, it presented us with a nice profile view of its elongated...
The dark region seen on the face of the sun at the end of March 2013 is a coronal hole just above and to the right...
A long-lasting coronal hole has again rotated around to face the Earth (Nov. 28-30, 2018). This persistent hole -...
A prominence observed along the right edge of the sun rose up and then most of it bent back down to the surface...
An active region just rotating into view gave us a perfect view of the tussle of magnetic field lines above it (Oct....
Numerous arches of magnetic field lines danced and swayed above a large active region over about a 30-hour period...
Several arcing loops rotated into view and swirled above an active region, which gave us a nice profile view of the...
This still image from an animation from NASA GSFC Solar Dynamics Observatory shows arches of magnetic field lines...