Astronomy Final Exam Review

Front

What is Cosmic Background Radiation?

Back

The remaining energy from the big bang.

Front

What is the most likely theory that explains how the universe formed?

Back

Big Bang Theory

Front

What does the Big Bang theory suggest about the universe?

Back

The universe is continually expanding.

Front

What significant discovery did Galileo make with his telescopes?

Back

All things did not revolve around Earth.

Front

What type of galaxy is characterized by an irregular shape?

Back

Irregular galaxy.

Front

What is the Solar Nebula Theory?

Back

A theory that explains the formation of the solar system from a cloud of gas and dust.

Front

What is a spiral galaxy?

Back

A galaxy with a flat, rotating disk containing stars, gas, and dust, and a central concentration of stars.

Front

What is an elliptical galaxy?

Back

A galaxy shaped like an ellipse, with a smooth, featureless light profile.

Front

What is the significance of the Hubble Space Telescope?

Back

It has provided deep space images that have expanded our understanding of the universe.

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.