Stars
Planets
Moons
Orbits
General Knowledge
100

The star in our solar system.

What is the Sun?

100

The only habitable planet in the solar system.

What is Earth?

100
The number of moons Earth has.

What is one?

100

What all the planets in our solar system revolve around.

What is the Sun?

100

The most dense celestial body.

What is a black hole?

200

How many Earths can fit in our star.

What is 1,300,000?

200

The smallest planet in our solar system.

What is Mercury?
200

The name of Earth's moon(s).

What is the Moon?

200

The force that affects and causes orbit.

What is gravity?

200

E = mc2

What is the theory of relativity?
300

The temperature of the center of our star.

27 million F/15 million C

300

A planet that has had an ongoing storm for more than 300 years.

What is Jupiter?

300

The event in which Earth's moon is fully between the Earth and the Sun.

What is a solar eclipse?

300

The shape of the orbit planets make around the Sun or any central star.

What is an oval/ellipse?

300

Something that is still being researched but is believed to make the universe expand continuously.

What is dark matter?

400

The largest type of star.

What is a red super-/hypergiant?

400

The 7th planet from the sun.

What is Uranus?

400

Saturn's largest moon.

What is Titan?

400

The planet with the longest orbit around the Sun. (Bonus points for how long)

Neptune, 165 Earth years.

400

The name of this constellation.

What is Sagittarius?

500

The kind of star our star is.

What is Yellow Dwarf?

500

The first discovered planet through the use of a telescope.

What is Uranus?

500

The most habitable moon in our solar system known right now. (Hint: It orbits Jupiter)

What is Europa of Jupiter?

500

How much farther the Moon is getting from the Earth every year because of its orbit shape.

What is 3.8 cm/1.5 inches?

500

The center of a black hole, where gravity and density approach infinity.

What is a singularity?