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Science Chapter 1 jj
exploring the night sky
| Question | Answer |
|---|---|
| Meteor | A piece of rock or metal from space that enters Earth's atmosphere |
| Meteorite | A meteor that falls to Earth ,also called a shooting star |
| Comet | An icy ball that contains dust and rock and travel in an elliptical orbit around the Sun |
| Planet | A large object the circles a star and does not produce i's own light |
| Star | A huge globe of hot gases that shines by it's own light |
| Constellation | A group of stars that forrms a pattern in the night sky |
| Revolution | Earrth's yearly tip around the sun, which causes the seasons to change |
| Rotation | The spinning of the Earth that causes day and night |
| Axis | An imaginary rod stretching through the planet between the North and South poles |
| Telescope | Reflecting and refracting |
| Reflecting uses | A curved mirror |
| Reflecting telescopes are easier to build because | It is easier to build a large mirror than alarge lens |
| Refracting telescope uses | lenses |
| Another name for the North Star is | Polaris |
| Polaris lies directly above the | North Pole |
| Earth's Makes the stars appear to move across the night sky | rotation |
| One of Earth's takes about 24 hours | rotation |
| A planet is different from a star because it does not produce it's own | light |
| The word comes from the Greek word wandering stara | planet |
| The big dipper is a part of the constellation called | ursa major |
| The object that is known as the morning star is called | Venus |