Chapter 7: Solar system Flashcards
1
Q
star
A
a huge ball of very hot gas that gives off energy
2
Q
ellipse
A
a shape like an oval
3
Q
satellite
A
an object that orbits another object in space
4
Q
coment
A
a frozen mass of ice and dust with a tail up to 80 million kilometers long that is in orbit around the Sun
5
Q
solar system
A
a system that includes the Sun and its planets, along with many moons, asteroids, and coments
6
Q
planet
A
a large, round object that moves around a star, such as the Sun
7
Q
asteroid
A
a rocky object up to several hundred kilometers wide that revolves around the Sun
