Stars, Galaxies, Rotate, Revolve

Front

What are stars made of?

Back

Stars are primarily made of hydrogen and helium gas.

Front

What is the difference between rotation and revolution?

Back

Rotation is when an object spins on its own axis, while revolution is when an object orbits around another object.

Front

What is the sun?

Back

The sun is a large star at the center of our solar system that produces its own light and heat.

Front

How long does it take for the moon to rotate around the Earth?

Back

The moon rotates around the Earth every 27 days.

Front

What is a galaxy?

Back

A galaxy is a massive system that contains stars, planets, gas, dust, and dark matter, bound together by gravity.

Front

What percentage of the Earth is covered by water?

Back

About 70% of the Earth's surface is covered by water.

Front

What is the term for a natural object that orbits a planet?

Back

A natural object that orbits a planet is called a moon.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our solar system.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates its own light and heat.

Front

What is the closest star to Earth?

Back

The closest star to Earth is Proxima Centauri.