Not quite. It explains why they have no weight. But their mass doesn't change.
It's the same on earth, on the moon, and everywhere in between.
while the earth is orbiting the sun the moon is orbiting the earth
he was revering to a high speed light that passed by them while in orbit around earth . I believe they were going twice the speed of sound at the time. there's been several astronauts reports of UFOs' while orbiting earth not just US. astronauts. Russian astronauts for instance.
Any astronaut would experience weightlessness while orbiting the Earth.Any astronaut would experience weightlessness while orbiting the Earth.Any astronaut would experience weightlessness while orbiting the Earth.Any astronaut would experience weightlessness while orbiting the Earth.
it rotates while the moon is orbiting the earth
YEs
At periapsis, that is, when it is closest to Earth in its orbit.
Yes. Both rotate or "scientifically" orbit.The Moon orbits The Earth and The Earth orbits The Sun. While orbiting The Earth The Moon also turns on its axis. While orbiting The Sun The Earth also turns on its axis.
They communicated by radio.
They were orbiting or looking around to see what was around the Earth and they saw the moon an claimed it ours?! Well that's my guess
Yep, you got it.
If you mean earth spins in its? Then the answer is Earth spins on its axis, while also orbiting the Sun.
Yes. Gravity is what keeps them in orbit. If it were not for gravity, those astronauts would continue out into space in a straight line.