Solar System
Stars & Galaxies
Moons & Rings
Space Exploration
Cosmic Phenomena
100

This planet is known as the “Red Planet”.

What is Mars?

100

The closest star to Earth (besides the Sun).

What is Proxima Centauri?

100

Earth’s only natural satellite.

What is the Moon?

100

The first human to walk on the Moon.

Who is Neil Armstrong?

100

These streaks of light occur when space rocks burn up in Earth’s atmosphere.

What is Meteors?

200

The largest planet in our solar system.

What is Jupiter?

200

A huge collection of stars, gas, and dust bound together by gravity.

What is a galaxy?

200

The name of Jupiter’s largest moon.

What is Triton?

200

The year humans first landed on the Moon.

What is 1969?

200

When the Moon passes directly between the Sun and Earth, it causes this event.

What is Solar Eclipse?

300

The asteroid belt lies between these two planets.

What are Jupiter and Mars?

300

The massive event in which a supergiant star explodes.

What is Supernova?

300

Jupiter’s volcanic moon, the most geologically active in the solar system.

What is lo?

300

The first artificial satellite launched into space.

What is Sputnik 1?

300

The force that keeps planets in orbit around the Sun.

What is Gravity?

400

The third planet from the sun.

What is Earth?

400

The galaxy in which our solar system resides.

What is the Milky Way?

400

Uranus is unique because its rings and axis are tilted at about this angle (roughly).

What is 98°?

400

The name of NASA’s most famous space telescope, launched in 1990.

What is Hubble Space Telescope?

400

This effect causes galaxies to appear to move away from us, showing that the universe is expanding.

What is redshift?

500

Saturn’s largest moon, which has lakes of liquid methane.

What is Titan?

500

A region of space where gravity is so strong that not even light can escape.

What is a Black Hole?

500

This moon of Jupiter is believed to have a subsurface ocean and is a top candidate for life.

What is Europa?

500

This rover landed on Mars in 2021 to search for signs of ancient life.

What is Perseverance?

500

The leftover radiation from the Big Bang that fills the universe.

What is the Cosmic Microwave Background?