... Water Ice At The Lunar Poles . ... Canaries Sky . ... This gorgeous view of stars, nebulae, and the Milky Way comes from the dark night sky above the lovely island of La Palma in the Canaries archipelago. ... Aurora Over Alaska . ... A Sky Full Of Hydrogen . ... Interstellar space is filled with extremely tenuous clouds of gas which are mostly Hydrogen. ... Eagle Eggs in M16 . ... A Southern Sky View . ... These gas clouds are so thin that we usually see right through them. ...