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Science chapter 1
lesson 1
Question | Answer |
---|---|
What can you see in the night sky? | on a clear night, you may see stars, the moon, planets, meteors, and commets |
Satellite | a body that orbits a planet |
Planets | objects that orbit the sun |
Meteor | the streak of light produced when a small object burns up entering Earth's atmosphere |
Comet | a cold mixture of dust and ice that gives up along trail of light as it approaches that sun |
Stars | are giant balls of hot gas mainly composed of hydrogen and helium |
Constellation | a pattern or group or stars that people imagined to represent a figure, animal, or object |
Polaris | commonly called the north star |
How do objects in the sky appear to move? | the apparent motion of objects in the sky depends on the motions if earth |
Zodiac | the small narrow band in the sky that appears planets go through |