Astronomy -Unit 4 -Stars REVIEW'

Front

How old is the sun?

Back

The sun is approximately 4.5 billion years old.

Front

Does the sun have a magnetic field? (True/False)

Back

True, the sun has a magnetic field.

Front

What event occurs when the core of a Red Supergiant collapses?

Back

A supernova occurs when the core of a Red Supergiant collapses.

Front

Which star is the coldest?

Back

The coldest star is a Red Star.

Front

What does the core of a Red Giant become after collapsing?

Back

The core of a Red Giant becomes a White Dwarf.

Front

What is a supernova?

Back

A supernova is a powerful and luminous explosion of a star.

Front

What is the main component of the sun?

Back

The main component of the sun is hydrogen.

Front

What is a White Dwarf?

Back

A White Dwarf is a small, dense star that is the remnant of a low to medium mass star.

Front

What is the life cycle of a star?

Back

The life cycle of a star includes stages: nebula, main sequence, red giant, and supernova or white dwarf.

Front

What is the difference between a Red Supergiant and a Red Giant?

Back

A Red Supergiant is a more massive star than a Red Giant and has a larger radius.