Galaxies & Big Bang

Front

CMB stands for ___

Back

Cosmic Microwave Background

Front

What is the definition of a galaxy?

Back

A collection of stars, star systems, and interstellar clouds.

Front

What type of galaxy is shown?

Back

Barred spiral galaxy.

Front

Which of the following celestial objects are the smallest?

Back

Asteroids.

Front

What force is responsible for the formation of galaxies by pulling matter together?

Back

Gravity.

Front

What is the Big Bang Theory?

Back

The leading explanation for the origin of the universe, stating it began from a singular point and expanded.

Front

What are the main types of galaxies?

Back

Spiral, elliptical, and irregular.

Front

What is a barred spiral galaxy?

Back

A type of spiral galaxy with a central bar-shaped structure made of stars.

Front

What is dark matter?

Back

A form of matter that does not emit light or energy, making it invisible and detectable only through its gravitational effects.

Front

What is the role of gravity in galaxy formation?

Back

Gravity pulls together gas and dust to form stars and galaxies.