1. Tim Burroughs Period 1 4/7/10
Astronomy Vocabulary
Tim Burroughs
Period 1
4/7/10

2. Terms Asteroids Meteor Seasons Revolution Rotation Tides Comet
Lunar Eclipse
Solar Eclipse
Seasons
Revolution
Rotation
Tides
Solar System

3. Asteroids
Rocky objects that revolve around the sun but are to small to be considered planets.

4. Comet
A loose collection of ice, duct and small rocky particles.

5. Meteor
Asteroid that passes through the Earth’s atmosphere.

6. Lunar Eclipse
The blocking of sunlight to the Moon that occurs when the Earth is directly between the Sun and the Moon.

7. Solar Eclipse
The blocking of sunlight to the Earth that occurs when the Moon is directly between the Sun and the Earth.

8. Seasons
Caused by the tilt in the Earth’s axis as it revolves around the Sun.

9. Revolution
Circling around a center point.

10. Rotation
An object that is spinning around on an axis.

11. Tides
Caused by differences in how much the moons gravity pulls on different parts of the Earth.

12. Solar System
The Sun together with the eight planets and all other celestial bodies that orbit the Sun.