Category 1
Category 2
Category 3
100

The Earth, other planets, Sun, other stars and all we cannot see.

Universe/Cosmos

100

All that we can see with and without technology.

Observable Universe

100

Scientists who study outer space.

Astronomer

200

A group of billions of stars, planets, dust and gas all moving together.

Galaxy

200

3 Main galaxy shapes

Elliptical, Spiral and Irregular

200

The spiral shaped galaxy in which Earth resides.

Milky Way Galaxy

300

Life or spirit (Latin)

Anim

300

Opposite (Greek)

Anti

300

Water (Latin)

Aqua

400

A perspective from which you see a matter.

Frame of Reference

400

Star (Greek)

Astro

400

Sun, Moon, Stars, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune

Our Solar System

500

Milky Way Galaxy's Closest Neighbor

Andromeda Galaxy

500

Branch of science that studies the observable universe beyond Earth's atmosphere.

Astronomy

M
e
n
u