Planets
The Moon
Stars & The Sun
Astronomy & Space
Fun Space Facts
100

This is the planet we live on.

What is Earth?

100

The Moon shines at night because it reflects this.

What is sunlight?

100

This is the closest star to Earth.

What is the Sun?

100

This is a person who travels into space.

What is an astronaut?

100

Space is completely ______. (No air!)

What is silent? (or "a vacuum")

200

This red planet is known as Earth's neighbor.

What is Mars?

200

The Moon orbits around this.

What is Earth?

200

Stars shine at night in this shape.

What is a point? (or "twinkle")

200

This U.S. space agency sends astronauts to space.

What is NASA?

200

This happens to astronauts when they float.

What is zero gravity?

300

This planet has big rings around it.

What is Saturn?

300

The Moon has no ______. That’s why it's silent.

What is atmosphere?

300

This group of stars makes a picture in the sky.

What is a constellation?

300

This man was the first person to walk on the Moon.

Who is Neil Armstrong?

300

Earth spins around once every 24 hours. This causes ______.

What is day and night?

400

This is the biggest planet in our solar system.

What is Jupiter?

400

When the Moon blocks the Sun, it’s called a ______.

What is a solar eclipse?

400

This famous constellation looks like a big spoon.

What is the Big Dipper?

400

This rocket-powered vehicle carries people into space.

What is a spaceship? (or rocket)

400

A shooting star is really a burning ______.

What is a meteor?

500

This dwarf planet was once considered the ninth planet.

What is Pluto?

500

The shape of the Moon seems to change. These are called ______.

What are moon phases?

500

A huge ball of burning gas is called a ______.

What is a star?

500

The first dog to go into space was named ______.

What is Laika?

500

A giant explosion that ends a star’s life is called a ______.

What is a supernova?