... On Wednesday two amateur astronomers took full advantage of the situation from Melun, near Paris, France. ... An Unusual Two Toned Rock on Mars . ... LL Ori and the Orion Nebula . ... By chance, a collision of two galaxies has created a surprisingly recognizable shape on a cosmic scale - The Cartwheel Galaxy. The Cartwheel is part of a group of galaxies about 400 million light years away in the constellation Sculptor (two smaller galaxies in the group are visible below and left). ...