Planets
Stars & Constellations
Other Celestial Bodies
In History
100

The only known inhabitable (able to sustain life) planet in our solar system.

What is Earth?

100

This star is the center of our solar system and keeps our planet warm, allowing it to have life.

What is the Sun?

100

The Earth's only natural satellite. Some people say that at night, they see a face on the surface, some see a bunny.

What is the moon?

100

The second person to walk on the moon. A spaceman character from Toy Story shares his first name.

Who is Buzz Aldrin?

200

A big red, dusty planet. Scientists have found evidence of water here. 

What is Mars?

200

This constellation looks like a big spoon or a mama bear.

What is the Big Dipper?

200

A minor planet (an object that is neither a true planet nor an identified comet) that orbits within the inner solar system. Looks like a big floating rock.

What is an asteroid?

200

Scientists named the planets in our solar system after the many gods of this ancient people. 

What is the Roman Empire?

300

This planet has rings of tiny orbiting particles, made from ice and rock.

What is Saturn?

300

This constellation is named after a winged horse from Greek mythology.

What is Pegasus?

300

A small piece of rock or dust that hits Earth's atmosphere from space. At nighttime, you might see one streak across the sky while it burns.

What is a falling star?

300

The first animal to be launched into space.

Who is Laika the Dog?

400

This is the largest planet in our solar system, is covered in storm clouds, and is nicknamed a "Gas Giant"

What is Jupiter?

400

This star is the brightest star in the sky. A character from Harry Potter (Harry's Godfather) is named after this star.

What is Sirius?

400

This is not an object but a "region of spacetime" where gravity is so strong that not even light can escape it. They occur when a star reaches the end of its life-cycle.

What is a black hole?

400

This ancient people of Mexico were able recognize and track the movements of planets and stars and used that knowledge to predict the weather.

Who were the Aztecs?

500

This used to be considered a planet and was labeled as the 9th in our Solar System, until 2006 when scientists reclassified it as a "Dwarf Planet"

What is Pluto?

500

The first star (beside the sun) that we have photographed. A red supergiant star. Shares the same name of a Tim Burton movie character (the sequel to this movie is coming out this year.)

What is Betelgeuse?

500

The galaxy that includes our solar system. Shares its name with a candy bar.

What is the Milky Way?

500

The name of the spaceflight mission that landed three people on the moon in 1969. 

HINT: Named after a Greek god and a number

What is Apollo 11?