Astronomy Concepts and Objects

Front

Red Giant Branch (RGB)

Back

Helium-rich core, hydrogen-rich expanding envelope.

Front

Asymptotic Giant Branch (AGB)

Back

Carbon-oxygen core with double-shell burning.

Front

Planetary Nebulae

Back

Shell of ionized gas from AGB star.

Front

White Dwarfs

Back

Compact remnant of stellar core, electron-degenerate.

Front

Supernovae

Back

Explosive death of massive stars or white dwarfs.

Front

Neutron Stars

Back

Extremely dense remnants composed mostly of neutrons.

Front

Pulsars

Back

Rotating neutron stars emitting beams of radiation.

Front

Black Holes

Back

Singularities with escape velocity exceeding light speed.

Front

Novae

Back

Thermonuclear runaway on white dwarf's surface.

Front

Dwarf Novae

Back

Periodic outbursts from unstable accretion disks.