Front

What is a collection of stars, dust, and gas bound together by gravity called?

Back

Galaxy

Front

What are bright and powerful eruptions on the Sun that emit light, radio, and x-rays?

Back

Solar flares

Front

Define atmosphere.

Back

A mixture of gases that surrounds a planet, moon, or other celestial body.

Front

What is the term for the spinning of a planet on its axis?

Back

Rotation

Front

What is an accretion disk?

Back

A structure formed by the diffuse material in orbit around a massive central body like a star or black hole.

Front

What is the term for the path a planet takes around a star?

Back

Revolution

Front

What is the main component of the universe that contains all matter and energy?

Back

Cosmos

Front

What is the term for the force that attracts two bodies towards each other?

Back

Gravity

Front

What is the name of the galaxy that contains our solar system?

Back

Milky Way Galaxy

Front

What phenomenon occurs when a star explodes at the end of its life cycle?

Back

Supernova