Chapter 21 - The Solar System Flashcards

1

Streak of light in Earth's atmosphere made by a glowing meteoroid

2

When a planet's atmosphere traps solar energy and causes the surface temperature to increase

3

Meteoroid that strikes a planet or moon

4

Four largest moons of Jupiter

5

Time it takes an object to travel once around the Sun

6

Small, rocky particle that moves through space

7

Small, rocky object that orbits the Sun in the asteroid belt

8

Round depression formed by the impact of a meteorite

9

Inner planet that is made of rock and metallic materials and has a solid outer layer

10

Time it takes an object to complete one rotation

11

Object made of gas, dust, and ice that moves around the Sun in an oval-shaped orbit

12

Average distance from Earth to the Sun

Chapter 21 - The Solar System