Unit 1 Review '23

Front

What is the hottest layer of the sun's atmosphere?

Back

The outermost layer, the corona.

Front

What does a spectrum represent in relation to an object?

Back

The specific parts of an object's light.

Front

What stage of a star's life is characterized by hydrogen fusion as the main energy source?

Back

Main Sequence Star.

Front

What is the Cosmic Microwave Background Radiation (CMB)?

Back

The remaining energy from the big bang.

Front

How does Cosmic Microwave Background Radiation support the Big Bang Theory?

Back

Microwaves are found everywhere in the universe.

Front

What is the photosphere?

Back

The innermost layer of the sun's atmosphere.

Front

What is the chromosphere?

Back

The middle layer of the sun's atmosphere.

Front

What is a Red Giant?

Back

A stage in a star's life cycle after the main sequence, characterized by expansion and cooling.

Front

What is a Supernova?

Back

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

Front

What is a White Dwarf?

Back

A small, dense star that is the remnant of a low-mass star after it has exhausted its nuclear fuel.