Gaze at the night sky enough, and you'll begin to find all kinds of geometric patterns among the stars. Points are easy; so are lines connecting two stars. Another easy pattern is a triangle, since ...

The three layers of the sky: easy asterisms, complete constellations and the mythological figures they represent.Two asterism are shown, the Big Dipper and the Lozenge, which forms the head of Draco ...

The three layers of the sky: easy asterisms, complete constellations and the mythological figures they represent.Two asterism are shown, the Big Dipper and the Lozenge, which forms the head of Draco ...