Galaxies

Front

What are galaxies composed of?

Back

Galaxies are composed of stars, dust, and gas held together by gravity.

Front

What type of galaxy is the Milky Way?

Back

The Milky Way Galaxy is a spiral galaxy.

Front

What type of galaxy is characterized by a smooth, featureless light profile?

Back

Elliptical galaxy.

Front

What type of galaxy has no distinct shape and is often chaotic in appearance?

Back

Irregular galaxy.

Front

What characteristic is used to classify galaxies?

Back

Shape.

Front

What is the largest type of galaxy?

Back

Giant galaxies.

Front

What is a dwarf galaxy?

Back

A small galaxy composed of up to a few billion stars.

Front

What is the main difference between spiral and elliptical galaxies?

Back

Spiral galaxies have a flat, rotating disk with arms, while elliptical galaxies are more rounded and lack structure.

Front

What is the significance of dark matter in galaxies?

Back

Dark matter is thought to make up a significant portion of the mass in galaxies, influencing their formation and rotation.

Front

What is the role of gravity in galaxies?

Back

Gravity holds the stars, gas, and dust together in a galaxy.