Brown dwarfs binay system

Cassiopeia constellation

Evolution of a binary symbiotic star system into a bipolar planetary nebula

Location of a red giant star cluster

Milky Way globular clusters and position of the Sun

Planet-star collision

Positions of Milky Way globular clusters

Red giant stars cluster

Ro Cassiopeia evolution

Ro Cassiopeia size

Supernova explosion that contaminates a nearby star with ejected material and ends in a black hole