Galaxies and Light Years

Front

What is an elliptical galaxy?

Back

An elliptical galaxy is an oval-shaped galaxy that is the most abundant type in the universe.

Front

What is an irregular galaxy?

Back

An irregular galaxy has no clear shape and is often formed from the remains of two colliding galaxies.

Front

Where is the Sun located in the Milky Way Galaxy?

Back

The Sun is located in the Milky Way Galaxy at position C.

Front

What is the closest star to our Sun?

Back

The closest star to our Sun is Proxima Centauri, which is 4.24 light years away.

Front

What is a galaxy made up of?

Back

A galaxy is made up of billions of stars, gas, and dust held together by gravity.

Front

What is a light year?

Back

A light year is the distance that light travels in one year, approximately 5.88 trillion miles.

Front

What are the three main types of galaxies?

Back

The three main types of galaxies are spiral galaxies, elliptical galaxies, and irregular galaxies.

Front

What defines a spiral galaxy?

Back

A spiral galaxy is characterized by its spiral arms that wind outward from the center, containing stars, gas, and dust.

Front

How do galaxies form?

Back

Galaxies form from the gravitational attraction of matter, leading to the clumping of stars, gas, and dust.

Front

What role does gravity play in galaxies?

Back

Gravity holds galaxies together, keeping stars, gas, and dust in orbit around the galaxy's center.