1B: Astronomy Fall Final (2024)

Front

What is the atmosphere?

Back

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

Front

What is the brightest nebula seen from Earth?

Back

The Orion Nebula.

Front

What are comets mainly made of?

Back

Dirty ice and dust.

Front

What is the movement of a planet around the sun called?

Back

Revolution.

Front

Which type of galaxy is the most abundant in the universe?

Back

Elliptical Galaxy.

Front

What is a nebula?

Back

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

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of a planet on its axis, while revolution is the movement of a planet around the sun.

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 from it.

Front

What is the main component of the universe?

Back

Dark energy, which makes up about 68% of the universe.

Front

What is a supernova?

Back

A powerful and luminous explosion of a star, marking the end of its life cycle.