Galaxies

Front

What is the age of the Milky Way?

Back

The Milky Way is approximately 13.7 billion years old.

Front

What type of galaxy is characterized by having no defined shape?

Back

An Irregular galaxy.

Front

What type of galaxy forms from the remnants of two colliding galaxies?

Back

An Irregular Galaxy.

Front

How many stars can typically be found in a galaxy?

Back

Millions or billions of stars.

Front

What are the three main types of galaxies?

Back

Spiral, Elliptical, and Irregular.

Front

What is a Spiral Galaxy?

Back

A galaxy characterized by its spiral arms and a central bulge.

Front

What is an Elliptical Galaxy?

Back

A galaxy shaped like a flattened sphere, with older stars and little gas.

Front

What is the difference between a Spiral and an Irregular Galaxy?

Back

Spiral galaxies have a defined structure with arms, while Irregular galaxies do not.

Front

What is the significance of the Hubble Space Telescope in studying galaxies?

Back

It has provided deep space images, helping to classify and understand galaxies.

Front

What is a galaxy cluster?

Back

A group of galaxies held together by gravity.