Planets
Stars & Galaxies
Space Exploration
Astronomy Facts
Space Mysteries
100

This planet is known as the "Red Planet."

What is Mars?

100

The closest star to Earth.

What is the Sun?

100

The first human to walk on the moon.

Who is Neil Armstrong?

100

The phase of the moon when it is fully illuminated.

What is a full moon?

100

This is known as a “shooting star,” though it's not actually a star.

What is a meteor?

200

The largest planet in our solar system.

What is Jupiter?

200

This galaxy contains our solar system.

What is the Milky Way?

200

The space agency responsible for the Apollo mission.

What is NASA?

200

The time it takes for Earth to complete one orbit around the Sun.

What is one year?

200

This has/causes extreme gravity, trapping all light and matter in its path.

What is a black hole?

300

The planet with the most extensive ring system

What is Saturn?

300

A massive explosion that marks the death of a star.

What is a supernova?

300

The name of the rover currently exploring Mars as of 2021.

What is Perseverance?

300

The force that keeps planets in orbit around the Sun.

What is gravity?

300

This type of black hole is found at the center of most galaxies.

What is a supermassive black hole?

400

This planet has a day longer than its year.

What is Venus?

400

This type of star is extremely dense and small, often left behind after a supernova.

What is a neutron star?

400

The first satellite to orbit Earth.

What is Sputnik?

400

The boundary around a black hole beyond which nothing can escape.

What is the event horizon?

400

A hypothetical form of energy that makes up most of the universe’s mass-energy.

What is dark energy?

500

This planet rotates on its side compared to other planets.

What is Uranus?

500

This term describes the stretching and tearing apart of objects due to extreme gravitational forces near a black hole.

What is spaghettification?

500

The name of the telescope that has captured images of distant galaxies for over 30 years

What is the Hubble Space Telescope?

500

The phenomenon where light bends around a massive object, including black holes.

What is gravitational lensing?

500

The mysterious force that causes the universe to expand.

What is dark matter?