Planets

4. An eclipse happens when the Moon covers the Sun or when the Earth covers the Moon. It gets dark for a little while.
7. A meteor is a bright streak that we see in the sky when a space rock burns up in Earth's atmosphere.
8. Mars is a red planet that scientists have explored with robots. It has volcanoes and canyons.
9. Saturn is a planet with beautiful rings made of ice and rocks. It has lots of moons, too.
11. Earth is our home planet, where we live. It has land, water, and an atmosphere that helps us breathe.
12. Pluto used to be a planet, but now it's called a dwarf planet. It is very far away and covered in ice.
14. Uranus is a big planet that spins on its side. It has a blue-green color and many icy clouds.
16. Mercury is a very hot and rocky planet that is closest to the Sun.

1. System The solar system is made up of the Sun, planets, and other things that go around the Sun.
2. Venus is a bright planet that is sometimes called the "morning star" or the "evening star." It has thick clouds and is very hot.
3. Neptune is a very cold and windy planet. It is blue and has a big dark spot.
5. A comet is a ball of ice and dust that flies through space. It has a bright glowing tail.
6. An orbit is the path that a planet takes as it goes around the Sun.
10. An asteroid is a big rock that orbits the Sun. Some are very big, and some are very small.
13. Jupiter is the biggest planet in our solar system. It has stripes and a big red spot.
15. A galaxy is a huge group of stars, planets, and other space things. The Milky Way is our galaxy.