Lifecycle of Stars Flashcard 2024

Front

What is the lifecycle stage of a high mass star after the main sequence?

Back

Supergiant

Front

What do low to medium mass stars expand into after using up the hydrogen in their cores?

Back

Red Giant

Front

What is the name of the explosion that occurs at the death of a massive star?

Back

Supernova

Front

What is a star?

Back

A huge ball of gas held together by gravity, with a central core that is extremely hot and produces energy from nuclear fusion.

Front

At which stage does a star swell up many times larger than its normal size?

Back

Red Giant

Front

What is a nebula?

Back

A giant cloud of dust and gas in space, often the birthplace of stars.

Front

What is nuclear fusion?

Back

The process by which two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What is a black hole?

Back

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

Front

What is a supernova?

Back

A powerful and luminous explosion that occurs at the end of a massive star's life cycle.

Front

What is the main sequence in a star's lifecycle?

Back

The longest stage in a star's life where it fuses hydrogen into helium in its core.