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| the Goat, a zodiacal constellation between Sagittarius and Aquarius. |
| the magnitude of a star as it would appear to a hypothetical observer at a distance of 10 parsecs or 32.6 light-years |
| Main Entry: | impact crater |
| Part of Speech: | n |
| Definition: | a depression in the ground believed to have been caused by a meteorite |
| Example: | Does the earth have impact craters? |