A is for Astronaut!

Astronauts are the names of the people who go into space!

B is for Big Bang!

The Big Bang is the name that scientists created to describe the beginning of the universe!

C is for Comet!

A comet is a small, icy rock that when gets close to the sun, gives off a tail!

D is for Dark Matter!

Dark matter is invisible to the naked eye but when you look up into space and see black spots between stars, that's dark matter!

E is for

Earth!

Earth is the planet we live on!

It is the third planet from the Sun.

F is for Flare!

A solar flare is when the energy in the magnetic field around the sun explodes!

G is for Galaxy!

A galaxy is a system of stars held together by gravity! We are in the Milky Way Galaxy.

H is for Hubble!

The Hubble Space Telescope was launched in 1990 and orbits our planet every day!

I is for ISS!

ISS, short for International Space Station, is a space station that orbits the planet and is shared by every one on Earth!

J is for Jupiter!

Jupiter is the largest planet in our solar system and is the 5th planet from the sun! It's known for it's giant red spot!

K is for the Kuiper Belt!

The Kuiper Belt is an area in our solar system, past Neptune, that has a lot of comets and asteroids!

L is for Lunar!

Lunar refers to anything having to do with the moon!

M is for Mars!

Mars is the 4th planet from the sun and is the only one that we have landed on!

N is for Neptune!

Of all the planets in our solar system, Neptune is the farthest of them all! It's also the coldest because it's so far away from the sun!

O is for Orbit!

Each planet travels at it's own pace around the sun, that's called it's orbit!

P is for Planet!

A planet is a giant body that orbits around the sun. Each one is unique!