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Lumpy Moon [1]

The Moon's gravity is lumpy, as shown in this false-color image of a large crater on the lunar surface. Red shows regions with a stronger gravitational pull, while red and yellow show regions with a weaker pull. The stronger gravity is caused by concentrations of denser rock at the surface. This lumpy gravitational field was discovered by orbiting spacecraft in the 1960s. [J.H. Melosh (Purdue)/NASA]

Moon and Companions
gravity map of a portion of the Moon
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Source URL:https://legacy.stardate.org/astro-guide/gallery/lumpy-moon

Links
[1] https://legacy.stardate.org/astro-guide/gallery/lumpy-moon