Both Earth and the Moon are roughly spherical in shape, but they have some differences in their specific shapes and physical characteristics:
- Earth is an oblate spheroid, which means it is mostly spherical, but slightly flattened at the poles and bulging at the equator due to its rotation. This shape results from the centrifugal force generated by Earth’s rotation, which causes the equatorial regions to be farther from the center of the planet compared to the polar regions.
- The Moon is also approximately spherical, but it has a more pronounced spherical shape compared to Earth. It lacks Earth’s significant flattening at the poles and bulging at the equator. The Moon is a relatively symmetrical sphere.
In summary, both Earth and the Moon are spherical, but Earth is an oblate spheroid with some flattening and bulging, while the Moon is a more symmetrical sphere.