Planets
Stars
Definitions
Misc
100

What planet is known as the "red planet"?

Mars

100
What color is the hottest star?

Blue

100

What happens when the moon passes between the sun and the Earth?

solar eclipse

100

A rock that falls from space & lands on Earth is called a what?

meteorite

200

What year did they declare Pluto NOT to be a planet anymore?

2006

200

Stars are made of 2 elements helium & what?

Hydrogen

200

The path of the earth around the sun

revolution

200

What color sunsets does Mars have? (due to the iron rich dust in the atmosphere)

blue

300

What planet is the densest?

Earth

300

Stars emit many colors, what is the one color they do NOT?

green

300
What occurs when the Earth passes between the sun & moon?

lunar eclipse

300

How many people have been to space?

approx. 781

400

How many moons does Mars have?

2

400

Cassiopeia is a prominent northern WHAT, shaped like an m or w

constellation

400

The gravitational pull of the Moon on Earth's oceans results in what?

tides

400

Michael Massimino was the first person to use what social media app in space?

Twitter (X)

500

You could fit roughly 1,300 Earths in what planet?

Jupiter

500

What happens during a Supernova?

When giant stars run out of fuel, they explode.

500

What causes us to have seasons?

tilt of the Earth's axis
500

How many orbits has the Hubble Telescope made? (Closest to the number)

195,000 (as of late 2025)

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