Stars and galaxies

Front

What type of stars belong to spectral class M and have the lowest luminosity?

Back

Main Sequence Stars

Front

What is an immense cloud of dust and gas where stars are born?

Back

Nebula

Front

What does the color of a star indicate?

Back

Temperature

Front

What color of star is the coolest?

Back

Red

Front

What type of galaxy is the Milky Way?

Back

Spiral

Front

What is the term for a massive explosion that occurs at the end of a star's life cycle?

Back

Supernova

Front

What is the name of the region around a black hole from which nothing can escape?

Back

Event Horizon

Front

What are the two main types of stars based on their size?

Back

Main Sequence Stars and Giants

Front

What is the term for a star that has exhausted its nuclear fuel and collapsed?

Back

White Dwarf

Front

What is the primary component of stars?

Back

Hydrogen