Historical Models, Theories, Structures, and Solar System

Front

Who created the sun-centered theory of the universe?

Back

Copernicus

Front

What does Edwin Hubble's observation about galaxies moving away from us support?

Back

Big Bang Theory

Front

Order these objects from smallest to largest: Planets, Solar System, Galaxy, Universe.

Back

Planets, Solar System, Galaxy, Universe

Front

What is a large group of stars, gas, and dust called?

Back

Galaxy

Front

What type of galaxy has an overall round or football shape and no arms?

Back

Elliptical Galaxy

Front

What is the center of our solar system?

Back

The Sun

Front

What is the name of the galaxy that contains our solar system?

Back

The Milky Way Galaxy

Front

What is the term for a system of planets orbiting a star?

Back

Solar System

Front

What is the name of the theory that explains the origin of the universe as a massive explosion?

Back

Big Bang Theory

Front

What are the two main types of galaxies?

Back

Spiral and Elliptical Galaxies