... Alnitak, Alnilam, and Mintaka, are the bright bluish stars from east to west (left to right) along the diagonal in this gorgeous cosmic vista. Otherwise known as the Belt of Orion, these three blue supergiant stars are hotter and much more massive than the Sun. ... IC 5067: Emission Nebula Close up . ... If you look carefully enough, you can even see the glow of the Sun in the opposite direction. ... Upgrading the International Space Station . ... Star Forming Region NGC 6357 . ...