... Aurora and Milky Way in a Little Sky . ... Stepping stones seem to lead to the Milky Way as it stretches across this little sky. ... The Butterfly Nebula from Hubble . ... The bright clusters and nebulae of planet Earth's night sky are often named for flowers or insects. ... 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. ...