sâmbătă, 12 februarie 2011

New Hubble photos show auroras – flares of ultraviolet light – streaming from the planet Jupiter


NASA's Chandra X-ray Observatory has captured the largest data set yet of Jupiter's colorful lights called aurora, yielding a pretty picture that could help solve some mysteries about the phenomenon.

Giant ring of black holes in Arp 147

    Arp 147 contains a spiral galaxy (right) that collided with an elliptical galaxy (left), triggering a wave of star formation. Many of these newly-born massive stars raced through their lives and ended with supernova explosions, some as black holes. A ring of these black holes can be seen in the Chandra data (pink) around the spiral galaxy. Chandra X-ray Observatory

New View of Family Life in the North American Nebula

   Stars at all stages of development, from dusty little tots to young adults, are on display in a new image from NASA's Spitzer Space Telescope.