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Constellations
stars and constellations
| Question | Answer |
|---|---|
| 3 factors that affect what constellations you can see. | 1. Whether it is night or day. 2. Where you are located on the Earth. 3. Which season it is when you are looking. |
| Every _________hours the Earth rotates on its tilted axis. | 24 |
| Imaginary line splitting the earth in half is called the | equator |
| In the northern hemisphere, people can see the ____________ constellations all year long because they are directly above in the sky. | circumpolar |
| Some constellations are visible during certain months. These are called ___________ constellations | seasonal |
| We only see some of the constellations for a few months because | of Earth's orbit around the sun. |
| A giant ball of very hot gas held together by gravity | star |
| Stars differ in | size and temperature |
| A group of visible stars that form a pattern when viewed from Earth. | constellation |
| Why do constellations appear to move | Earth's rotation |
| Scientists divided the sky into __________ constellations. | 88 |
| Star known as the North Star | Polaris |
| Constellation in which the North Star, or Polaris, is found | Ursa Minor |
| What do you need to find in the night sky in order to find Polaris? | The Big Dipper |
| Instruments that gather light from distant objects and magnify them. | telescope |
| Italian astronomer that first used a telescope to look at the sky. | Gallileo |
| List the circumpolar constellations | Ursa Minor Ursa Major Casseopeia Cephus Draco |
| Why is Polaris helpful in navigation? | It is always in the north above the northern axis. |
| Ursa Major | Great Bear |
| Ursa Minor | Little Bear |
| Orion | The Hunter |
| Leo | The Lion |
| Draco | the Serpent |
| Cephus | The King |
| Casseopeia | The Queen |
| Canis Major | Big Dog |
| Canis Minor | Little Dog |
| Big Dipper | found in Ursa Major |