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by luminiferous
2559 days ago
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Gravity is not uniform everywhere on earth, because the Earth's density is not uniform. (This is ignoring the other consideration that the earth is not spherical. Because the Earth bulges at the equator, gravity is also weaker towards the equator and stronger at the poles.) Satellites[1] or humans on the ground can track variance in the gravity field. This is normally done to find underground deposits of valuable minerals or metals, as may be slightly denser or less dense than the equivalent volume of earth/stone.[2] I think OP was wondering if the presence of the impact site would show up on such a survey of Earth's gravity field. [1] https://www.nasa.gov/audience/foreducators/k-4/features/F_Me... [2] https://mbfsz.gov.hu/en/geophysics/gravity-and-microgravity-... |
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