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The Moon is the nearest natural object to Earth in space.
The moon is said to be at perigee when it's nearest the Earth.
The moon is said to be at perigee when it's nearest the Earth.
Venus can approach closest, but it may not be the nearest at a particular time because the distance varies.
The Moon
The Moon is the heavenly body nearest to Earth.
.A new or full moon which occurs with the Moon at or near (within 90% of) its closest approach to Earth in a given orbit. In short, Earth, Moon and Sun are all in a line, with Moon in its nearest approach to Earth.
The Earth
Well, our own Earth is its closest neighbour. After that it is Venus (when at its closest approach). Perhaps you meant "next to" as in nearest in the sky when we look at the Moon. That is changing all the time of course.
The Moon
the moon.
The moon