physics

Earth Never Rises or Sets on the Moon

Yes, I know, you saw the picture made by Apollo astronauts.

But the Earth just hangs there in the same place, for a million years, at least.

EarthFromMoon

Still exactly there, where it was back then; hanging and rotating partly behind this hill.

CORRECTION: Earth moves for about 3 or 4 diameters left, 3 or 4 diameters right, and up and down, around its average point on the sky. That’s enough to actually see the Earth set or Earth rise near the horizon, but quite unnoticeable around the zenith.

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3 thoughts on “Earth Never Rises or Sets on the Moon

  1. msjr says:

    The image attached to this article is to put it mildly… suspicious. I think it is composed of two images as shadow of the earth does not match shadows on the ground. If you check the border between earth and moon one sees the bad cropping. Finally the orientation of California is left-right, shouldn’t it be up down?

    Correct me if I’m wrong. I have searched for reference images from Nasa, but their site says: “Due to the lapse in federal government funding, this website is not available. We sincerely regret this inconvenience. For information about available government services, visit USA.gov.” – what a shame…

    • You may very well be right about this. The picture is suspicious.

      Still, I am thrilled to be in a kind of not geo-stationary but seleno-stationary orbit around the Moon, looking down to the lunar surface, just as geostationary sattelites look down to me, only that I am about 10 times higher above the surface. 🙂

      I wonder, when the first human realized how the Earth looks from the Moon. Might be an ancient Greek.

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