Universe and Galaxy

Front

What are comets made of?

Back

Comets are made of ice and rock.

Front

A planet is a spherical body that orbits the ____?

Back

A planet orbits the Sun.

Front

What is a light year?

Back

A light year is the distance that light travels in 1 year.

Front

Earth has 1, Jupiter has more than 60....?

Back

Jupiter has more than 60 moons.

Front

What is the average distance between the Earth and the Sun?

Back

The average distance is called an astronomical unit.

Front

What is the Milky Way?

Back

The Milky Way is the galaxy that contains our Solar System.

Front

What is a galaxy?

Back

A galaxy is a massive system of stars, stellar remnants, interstellar gas, dust, and dark matter.

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 light and heat through nuclear fusion.

Front

What is the closest star to Earth?

Back

The closest star to Earth is Proxima Centauri.

Front

What is a black hole?

Back

A black hole is a region of space where the gravitational pull is so strong that nothing, not even light, can escape from it.