Black Hole
(M87); Hypernova; Neutron Star
(PSR B1620−26); Supernova
(Remnant: Tycho's Supernova); Red Giant
(Old Sun, Betelgeuse, and Stephenson 2-18?); Very Massive Star; Planetary Nebula (Helix nebula); Massive Star; Protostar
(T Tauri); Mid-sized Star
(Sun); Red Dwarf
(Proxima Centauri); White Dwarf (Procyon B)