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Astronomy
Natalia Lopez
4-7-10
Day 4&5
Terms
Rotation Revolution Tides
Seasons Asteroids Comet
Meteor Lunar Eclipse Solar Eclipse
Solar System
Rotation
• Spinning around on a axis.
Revolution
• Circling around a center point
Tides
• Caused by differences in how much the moons gravity pulls on different parts of the Earth
Seasons
• Caused by the tilt of the Earths axis as it revolves the sun
Asteroids
• Rocky objects that revolve around the sun but are to small to be considered plants
Comet
• A loose collection of ice, dust, and small rocky particles
Meteor
• Asteroids that pass through the Earths atmosphere
Lunar Eclipse
• The blocking of sunlight to the moon that occurs when the Earth is directly between the sun and the moon
Solar Eclipse
• The blocking of sunlight to Earth that occurs when the moon is directly between the sun and the Earth
Solar System
• The sun together with the eight plants and all other celestial bodies that orbit the sun