Stellar Evolution Test Unit 6

Front

What is the life cycle of a 60 Mo supermassive blue giant star?

Back

The life cycle includes: Protostar, main sequence star, red giant, supernova, black hole.

Front

What primarily determines the final phase of a star's life?

Back

The mass of the star.

Front

What are black holes?

Back

Real objects in space that we have officially confirmed.

Front

Which type of star is the oldest in a galaxy?

Back

A red dwarf.

Front

What is a pulsar?

Back

A spinning neutron star emitting radio waves.

Front

Define a protostar.

Back

A dense region in a molecular cloud where gas and dust collapse under gravity to form a star.

Front

What is a neutron star?

Back

A stellar remnant composed almost entirely of neutrons, formed after a supernova explosion.

Front

Explain the term 'supernova'.

Back

A powerful and luminous explosion marking the death of a massive star.

Front

What is the main sequence phase of a star?

Back

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

Front

What happens to a star after it becomes a red giant?

Back

It may undergo a supernova explosion or shed its outer layers to form a planetary nebula.