Solar System
Stars
Space facts
Life Beyond Earth
Aliens
100

What is the third planet from our sun?

Earth

100

This is the name of the star closest to Earth

Sun

100

These small, rocky objects orbit the sun and are found mainly between Mars and Jupiter

Asteroids

100

Unscramble: UCHEDNATR

Uncharted

100

What are vehicles of aliens?

Spacecrafts

200

This is the largest planet in our solar system.

Jupiter

200

What is our galaxy called?

The milky way

200

The Milky Way is an example of this

Galaxy

200

What does all known life we know of need to exist?

Liquid water

200

These green or grey creatures are often shown in movies with big heads and black eyes

Aliens

300

This planet is known as the "Red Planet."

Mars

300

When a star runs out of fuel, it turns into this dense, invisible object that even light cannot escape

black hole

300

This is the name of the first human to walk on the moon

Neil Armstrong

300

What do you call the scientists who look for signs of life in space?

Astrobiologists

300

This planet is often joked about as being the home of aliens with green skin.

Mars

400

This planet is famous for its rings made of ice and rock

Saturn

400

What do you call a group of stars that people have imagined pictures with by connecting the dots?

Constellation

400

What do you call a planet in a solar system that is not ours?

Exoplanet

400

Something that doesn't exist on our planet

Extraterrestrial

400

This type of spacecraft is often reported in alien sightings

UFO

500

This planet has the longest day in the solar system, taking over 240 Earth days to complete one rotation

Venus

500

This is the name of the brightest star in the night sky (in Harry Potter, there was a character called ..... Black)

Sirius

500

How many moons does Neptune have?

13 (according to planet song)

But 14 currently (they found another one!)

500

This famous scientist once warned that contacting alien civilizations could be risky for humanity

Stephen Hawking

500

This word describes the belief that aliens might visit Earth one day

Alien invasion or colonization