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astronomy
6th science GA
| Question | Answer |
|---|---|
| autumnal equinox | day that marks the beginning of fall in the Northern Hemisphere |
| vernal equinox | day that marks the beginning of spring in the Northern Hemisphere |
| summer solstice | longest day of the year - sun at most northern point |
| winter solstice | shortest day of year - sun at most southern point |
| lunar eclipse | sunlight to moon blocked when earth in directly between sun and moon |
| solar eclipse | sunlight to earth blocked when moon is between the sun and earth |
| lunar month | length of time from one new moon to the next |
| revolution | movement of an object around another object |
| waning | to shrink - sun's light reflected on the moon shrinks each night |
| waxing | to grow - sun's light reflected on the moon grows larger each night |
| rotation | spinning motion of a planet about its axis |
| gibbous moon | section of moon that contains mostly sunlight |
| first quarter moon | right half of moon lit |
| third quarter moon | left side of of moon lit |
| crescent moon | least amount of sunlight |