Astronomy - Unit 4 (Stars) Flashcard Review_

Front

What is the process by which stars in the main sequence fuse hydrogen?

Back

Stars in the main sequence fuse hydrogen into helium in their cores.

Front

Why won't our sun ever become a black hole?

Back

Our sun is too small to become a black hole.

Front

What is formed when a Red Giant's outer atmosphere drifts away?

Back

A planetary nebula is formed.

Front

What happens to the core of a Red Giant after it collapses?

Back

The core becomes a White Dwarf.

Front

What layer of the sun is visible during a solar eclipse?

Back

The corona is visible during a solar eclipse.

Front

What is the main sequence in the context of stars?

Back

The main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness.

Front

What is a Red Giant?

Back

A Red Giant is a late stage in the life cycle of a star, characterized by a large radius and a reddish color.

Front

What is a White Dwarf?

Back

A White Dwarf is the remnant of a star that has exhausted its nuclear fuel and shed its outer layers.

Front

What is a Neutron Star?

Back

A Neutron Star is the collapsed core of a massive star, composed almost entirely of neutrons.

Front

What is a Black Hole?

Back

A Black Hole is a region of space where the gravitational pull is so strong that nothing, not even light, can escape from it.