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Trigger-Happy Star Formation (NASA, Chandra, 8/12/09). his composite image, combining data from the Chandra X-ray Observatory and the Spitzer Space Telescope shows the molecular cloud Cepheus B, located in our Galaxy about 2,400 light years from the Earth. A molecular cloud is a region containing cool interstellar gas and dust left over from the formation of the galaxy and mostly contains molecular hydrogen.
On July 28, 2012, the sun emitted a mid-level flare, categorized as an M6.2 flare. The flare is visible here in the lower left-hand side, coming from an active region on the sun named AR 1532. This image was captured by NASA's Solar Dynamics Observatory (SDO)