The Horse Head Nebula is a cloud of ionized- hydrogen in the constellation Orion. The clouds are lit from within by young hot stars. The interstellar dust absobs the light from part of ionized cloud creating this beautiful contrast
The Sombrero Galaxy - voted best picture taken by the Hubble telescope. The dimensions of the galaxy, officially called are as spectacular as its appearance. The Sombrero Galaxy spans about light years across and lies 28 million light years away.
The massive galaxy cluster Abell nicknamed Pandora’s Cluster, takes on a ghostly look in this NASA/ESA Hubble Space Telescope view. (via Hubble sees ghost light from dead galaxies in galaxy cluster Abell 2744
Coronal Mass Ejection On August 2012 a long filament of solar material that had been hovering in the sun's atmosphere, the corona, erupted out into space. The coronal mass ejection, or CME, traveled at over 900 miles per second.