![]() Humans, on the other hand have not gone further than the moon (360,000 km away from earth) and are soon planning a trip to mars. But, how much have we explored? The furthest distance reached by a machine, the voyager I, is the outskirts of our solar which is a few light hours from earth which it took 35 years to sail in empty space going at an astonishing speed of 1100 Km/sec. Our theoretical description of space is the entire observable universe which extends to 13.8 Billion Lightyears (because the universe is 13.8 Billion Years old) through whichever direction we look at it (and is the same from any point of observation in the universe, since the universe is infinite). 1: Image Showing the Alcubierre Warp Drive
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