How did they actually get back to Earth from the moon?

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Watching that updated model animation of the solar system in action got me thinking about the moon landings and how the hell did they actually get there and back again with all this ultra-fast motion and rotations going on.

Let's look at these points:

  • The entire solar system is in motion, orbiting the center of the Milky Way at 140 miles a second
  • Earth orbits the Sun at an average speed of 18.5 miles a second
  • The Moon orbits the Earth at an average speed of 0.63 miles a second
  • The moon is about 238,855 miles away from Earth

I look at that dinky little pod the astronauts popped off the moon and have no idea how it navigated perfectly ahead in both speed and rotation to catch the earth hundreds of thousands of miles away...

Is this all within the idea of relativity ... and the true complexity of rocket science? It would be neat to see animation with the math and trajectory of how it all worked to safely navigate through space back to Earth.

submitted by /u/meat_for_the_beast
[link] [comments]

source https://www.reddit.com/r/C_S_T/comments/p39vgk/how_did_they_actually_get_back_to_earth_from_the/

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