Video: Hefty Prominence Eruption Observed by SDO

A mass of solar material gathered itself into a twisting mass, spun around for a bit, then rose up and broke apart over a 10-hour period on Oct. 13, 2015. Prominences are unstable clouds of gas tethered above the surface ...

Image: SDO views active region loops

An active region viewed in profile put on quite a show of erupting plasma and looping arches on Sept. 22-23, 2015.

Image: SDO sees 3 coronal 'holes'

The sun was visually dominated by three substantial coronal holes that rotated across its face the week of Sept. 8-10, 2015. Coronal holes are areas where the sun's magnetic field lines extend out into space and don't return ...

Video: A golden arch on the sun

Magnetically charged particles formed a nicely symmetrical arch at the edge of the sun as they followed the magnetic field lines of an active region on Aug.4-5, 2015. Before long the arch begins to fade, but a fainter and ...

Taking the wraps off NISTAR

The NIST Advanced Radiometer (NISTAR), mothballed for more than a decade, is slated to make its space debut very soon about 1.5 million kilometers sunward of Earth. It will fly as part of the long-postponed Deep Space Climate ...

Video: Spurting plasma

A stream of plasma burst out from the sun, but since it lacked enough force to break away, most of it fell back into the sun (May 27, 2014).

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