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Astronomy,Ch.1
| Question | Answer |
|---|---|
| Astronomy | The study of the universe. |
| Month | Is roughly the amount of time required for the moon to orbit once around the Earth. |
| Day | Is the time required for the Earth to rotate once on its axis. |
| Telescope | An instrument that gathers electromagnetic radiation from objects in space and concentrates it for better observation. |
| Refracting telescope | Telescopes that use lenses to gather and focus light from distant objects. |
| Reflecting telescope | A telescope that uses a curve mirror to gather and focus light from a distant object. |
| Hubble Space Telescope | Is a space telescope that Produces very clear images of objects in deep space. |
| Constellation | A region of the sky that contains a recognizable star pattern and that is used to describe the location of objects in space. |
| Hemisspere | Half of the Globe Norht/South East/West. |
| Light-year | The distance that light travels in one year; about 9.46 trillion kilometers. |
Created by:
bnorman
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