... The Lagoon Nebula in Stars Dust and Gas . ... The large majestic Lagoon Nebula is home for many young stars and hot gas. 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. ... This unusual volcanic light pillar was captured over Iceland earlier this month. Earth at Equinox . ... 62 Kilometers above Comet Churyumov Gerasimenko . ...