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Nowak- Mapping Stars
| Question | Answer |
|---|---|
| Ancient cultures organized the sky by | linking stars together in patterns |
| Constellations | sections of the sky that contain recognizable star patterns |
| Ancient Greeks saw a hunter, but the Japanese saw a | drum |
| The sky is divided into how many constellations? | 88 |
| Why do modern astronomers use the same names for the constellations? | to make communication easier |
| The constellations that are visible in the sky are the same or different in the spring or the fall? | different |
| zenith | imaginary point directly over the head of the observer |
| celestial equator | imaginary extension of Earth's equator into space |
| horizon | line where the earth and sky meet |
| altitude | angle between an object and the horizon |
| right ascension | measure of how far east an object is from where the sun appears on the vernal equinox |
| vernal equinox | where the sun appears on the first day of spring |
| declination | position of a star in degrees north or south of the celestial equator |
| always 90 degrees from zenith | horizon |
| circumpolar stars | stars that can be seen at all times of year and all times of night |
| Copernicus thought the stars must be very far away because | they never shifted their relative positions |
| red shift | as a light source moves away, the light source looks redder |
| light year | the distance that light travels in one year |
| One light-year is about ____ trillion kilometers | 9.46 |
| Are most stars smaller or larger than Earth? | larger |
| The stars that you see depend on | your latitude, the time of the year, and the time of night |
Created by:
seagullq
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