Stars and Galaxies Vocab Review

Front

Define chromosphere

Back

orange-red layer of a star's atmosphere

Front

Define convection zone

Back

Region above the radiative zone of a star where hot gas rises to the surface and cooler gas sinks.

Front

Define corona (not COVID-19)

Back

wide, outermost layer of a star's atmosphere

Front

Define globular

Back

round, sphere-shaped

Front

Hertzsprung-Russell diagram

Back

graph plotting luminosity vs. temperature of stars

Front

Define nuclear fusion

Back

Process where nuclei of several atoms combine into one larger nucleus.

Front

Define photosphere

Back

apparent surface of a star's atmosphere

Front

Define radiative zone

Back

Shell of cooler hydrogen above a star's core.

Front

Define star

Back

Large ball of gas held together by gravity

Front

Define black hole

Back

object whose gravity is so great that no light can escape