Men have been as far as the Moon, which averages about 260,000 miles away. No human beings have ever been farther away from the Earth.
Number who have ever been born 106,456,367,669
No, only the moon has been stepped on by man, other than the earth.
no, because the moon isn't a planet, and earth is the only one.
As far as has been made known to the public, no Russian has ever landed on the moon.
As far as is known to the public, no human has ever stepped on any planet but earth. The only extra-terrestrial body to have been reached by people so far is the moon ... a satellite of earth.
No people have ever gone farther away from the Earth than the Moon, so that's the closest to the Sun that any man has ever been.
No human being has ever been anywhere near Mars yet.The only body outside of earth that people have ever landed on is the moon.When Mars is as close to earth as it can ever get, it's almost 150 times fartherfrom us than the moon is.
Hardest material ever FOUND so far is still diamond because it's produced by nature. Nano-materials are proven to be harder than any diamond but since it's man made it can not be "found". It's engineered. So the question for this nano variants should be - how hard do you need it to be ?
No, the Moon is as far as astronauts have ever gone.
No people have landed on Neptune. It is a gas giant located in our solar system and no spacecraft has ever been able to physically land on its surface due to its extreme weather conditions and lack of a solid surface.
There have been a series of robotic probes to every planet in the solar system, and the two Voyager probes are approaching (or perhaps have just passed, we're not yet sure) the "edge" of our solar system. But no human has ever been further away than the Moon.