... The Butterfly Nebula from Hubble . ... The bright clusters and nebulae of planet Earth's night sky are often named for flowers or insects. Though its wingspan covers over 3 light-years, NGC 6302 is no exception. ... A Full Circle Rainbow over Australia . ... MAVEN at Mars . ... Spanning 100 light years across while lying only about 5000 light years distant, the Lagoon Nebula is so big and bright that it can be seen without a telescope toward the constellation of Sagittarius. ... Earth at Equinox . ...