Objects in Space

Front

What is the smallest object among a galaxy, star, solar system, and planet?

Back

Planet

Front

How long does it take for Earth to complete one rotation on its axis?

Back

24 hours

Front

What is a ball of shining gas made mostly of hydrogen and helium, held together by its own gravity?

Back

Star

Front

What do we call one object traveling around another object in space?

Back

Revolution

Front

What is defined as all of space and time, and everything in it?

Back

Universe

Front

What is the term for the path an object takes as it moves around another object in space?

Back

Orbit

Front

What is the name of our solar system's star?

Back

The Sun

Front

What is the term for the movement of a planet around the Sun?

Back

Revolution

Front

What is the largest known structure in the universe?

Back

Galaxy

Front

What is the term for the force that keeps planets in orbit around the Sun?

Back

Gravity