Astronomy Flashcard EL

Front

What is a high mass star's evolution after the main sequence?

Back

A high mass star becomes a supergiant after the main sequence.

Front

What is the correct order of an average star's life cycle?

Back

The correct order is: protostar > main sequence > red giant > white dwarf.

Front

What is a white dwarf?

Back

A white dwarf is a hot, dense, slowly cooling sphere of carbon that remains when a red giant star dies.

Front

What is Revolution in astronomy?

Back

Revolution is the motion of one object around another.

Front

What season is number 1 in the NORTHERN HEMISPHERE?

Back

The first season in the Northern Hemisphere is summer.

Front

What is a protostar?

Back

A protostar is a young star that is still in the process of forming.

Front

What is a red giant?

Back

A red giant is a late stage in a star's life cycle where it expands and cools after exhausting its hydrogen fuel.

Front

What is a supergiant?

Back

A supergiant is an extremely large star that has a mass significantly greater than that of the Sun.

Front

What is a black hole?

Back

A black hole is a region of space where the gravitational pull is so strong that nothing, not even light, can escape from it.

Front

What is the difference between a white dwarf and a black hole?

Back

A white dwarf is a remnant of a star that has shed its outer layers, while a black hole is formed from the collapse of a massive star.