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The Sun erupted with two prominence eruptions, one after the other over a four-hour period (Nov. 16, 2012).

Double Prominence Eruptions

NASA - Double Prominence Eruptions The Sun erupted with two prominence eruptions, one after the other over a four-hour period on Nov.

Lovely Loops | The upper one of a pair of new, solar active … | Flickr

January Cascading loops spiral above the sun's surface after a solar flare eruption. The loop structures, each the size of several Earths, are made of super-heated plasma.

WHAT'S IN THE OFFING?  A new sunspot is approaching. For the past two days it has been crackling with flares and hurling material over the sun's northeast limb. NASA's Solar Dynamics Observatory photographed these glowing magnetic loops marking the spot of an M1-class explosion during the early hours of May 20th. The sunspot is on the sun's farside now, but solar rotation is carrying it in our direction. It a day or so it will emerge into view over the sun's eastern limb.

WHAT'S IN THE OFFING? A new sunspot is approaching. For the past two days it has been crackling with flares and hurling material over the sun's northeast limb. NASA's Solar Dynamics Observatory photographed these glowing magnetic loops marking the spot of an M1-class explosion during the early hours of May 20th. The sunspot is on the sun's farside now, but solar rotation is carrying it in our direction. It a day or so it will emerge into view over the sun's eastern limb.

Amazing Hi-Def CME by NASA Goddard Photo and Video, via Flickr

A beautiful prominence eruption shot off the east limb (left side) of the sun on April This image was captured by NASA’s SDO satellite.

Neptune and its bigger star Triton

Computer generated montage shows Neptune as it would appear from a spacecraft approaching Triton, Neptune's largest moon.

Credit: NASA/SDO Monday, March 11, 2013: This year, 2013, marks the peak of the 11-year sunspot cycle. Yet solar activity remains relatively low. This image shows the Earth-facing surface of the sun on February 28, 2013, as observed by NASA’s Solar Dynamics Observatory. Only a few small sunspots appear, although many spots usually riddle the sun’s face during peak solar activity.

Quiet Interlude in Solar Max (The image shows the Earth-facing surface of the Sun on February as observed by the Helioseismic and Magnetic Imager (HMI) on NASA's Solar Dynamics Observatory.

On March 21, 2013, the P-3B waits outside the hangar at Thule Air Base with the Greenland Ice sheet in the background.

P-3B Starts the Day

On March the waits outside the hangar at Thule Air Base with the Greenland Ice sheet in the background.

Spectacular Hubble Photos to Celebrate 25 Years in Space for Humanity’s Telescope - via Slate The Butterfly Nebula - hubble25_ngc6302

Spectacular Hubble Photos to Celebrate 25 Years in Space for Humanity’s Telescope

NGC also called the Bug Nebula, Butterfly Nebula, is a bipolar planetary nebula in the constellation Scorpius. The structure in the nebula is among the most complex ever observed in planetary nebulae.

Alaskan mountains seen from high altitude aboard the NASA P-3B

This NASA photo released April 3 shows Alaskan mountains as seen from high altitude aboard the NASA during the IceBridge transit flight from Thule to Fairbanks on March NASAs Operation IceBridge is an airborne science mission to study Earths polar ice.

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