Unit 6 Review

Front

What is the stage after the main sequence star?

Back

Red Giant

Front

In which stage does a star spend most of its life, fusing hydrogen into helium?

Back

Main-sequence

Front

What does the core of a Red Giant collapse into?

Back

White Dwarf

Front

What is a light year a measurement of?

Back

Distance

Front

Which spectral class does our star, the sun, belong to?

Back

G

Front

What is a nebula?

Back

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

Front

What is a protostar?

Back

An early stage in the formation of a star, where gas and dust begin to collapse under gravity.

Front

What is a supergiant star?

Back

A very large star that is even more massive than a giant star, often at the end of its life cycle.

Front

What is the process of nuclear fusion in stars?

Back

The process where hydrogen atoms combine to form helium, releasing energy.

Front

What is a black hole?

Back

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