Astronomy Practice for Final

Front

When a main sequence star begins to run out of hydrogen, the star becomes a _____

Back

red giant

Front

What is the name of the gas/dust clouds that form stars?

Back

Nebulas

Front

Black hole ends life of the biggest stars in the universe

Back

true

Front

The main element used to fuel a star during the majority of its life is:

Back

Hydrogen

Front

Our sun and most stars are in what stage of their life cycle?

Back

Main Sequence

Front

What is a Nebula?

Back

A large cloud of gas and dust in space, where stars are born.

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 the life cycle of a star?

Back

The process a star goes through from formation to its end stage, including stages like main sequence, red giant, and supernova.

Front

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

Back

It can shed its outer layers and become a planetary nebula, or it may explode as a supernova.

Front

What is a supernova?

Back

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