Diagram of Be star in binary system with white dwarf

Astronomy & Observing News

White Dwarf Discovered Gobbling Material from Gamma Cassiopeiae

Powerful X-rays from the nearby naked-eye star Gamma Cas mystified astronomers for decades. Now, a new observatory reveals that they come from its white dwarf companion.

Cassiopeia open clusters map

Astronomy & Observing News

Cassiopeia Cornucopia — Pretty Little Clusters All in a Row

See nine unique open clusters in Cassiopeia while barely moving your telescope.