Motion of planets

Question

if the earth revolves and rotates in the opposite direction will we be able to go in the past?

Answer

Hi Anjali, NO. Time passage is not dependent on our position in space or how or where we are traveling. So rotation and/or revolution of our planet has nothing to do with time passage. (Venus rotates slowly backwards, but visiting astronauts would not go backward in time on it's surface...their time would still be the same as our Earth's time).

Time is always a forward arrow, never backward. The only thing that changes (slows) the passage of time is either entering a high gravitational field (like near a black hole)... OR increasing your velocity up to near light speed. But even accelerating to light speed, time passage (aboard the spacecraft only) just slows to zero at light speed, never going backward. But matter cannot go lightspeed (because your mass becomes infinite- See Einstein's Special Relativity) so the very best one can do is just slow time passage aboard your spacecraft, way down to near zero, but never reaching zero time passage. Hope this helps, Clear Skies, Tom Whiting Erie PA