Universe and Galaxy

Front

What is the universe?

Back

The universe is the vast space that contains all of existence, including billions of galaxies, stars, planets, and other celestial bodies.

Front

What is a galaxy?

Back

A galaxy is a large collection of stars, gas, and dust that is held together by gravity.

Front

How many galaxies are in the universe?

Back

The universe contains billions of galaxies.

Front

What is a star?

Back

A star is a celestial body composed of gas that emits light and heat.

Front

What does a planet orbit?

Back

A planet orbits a star, such as the Sun.

Front

How many moons does Earth have?

Back

Earth has 1 moon.

Front

Which planet has more than 60 moons?

Back

Jupiter has more than 60 moons.

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 star and a planet?

Back

A star emits its own light and heat, while a planet orbits a star and does not emit light.

Front

What is gravity?

Back

Gravity is the force that attracts two bodies towards each other, keeping planets in orbit around stars.