Your entire life. Remember that earth itself is traveling in space. That said the longest any one person has been in space is 803 days.
It takes three days to travel to the moon and land.
There is no sound in space.
Who high the satellites
over 100 years
well, to get out of earths atmosphere into the edge of space is about 5-8 minutes
With present technology it only takes a few minute to reach 'space'. To travel elsewhere would depend on your destination.
long time compare to earth
We travel by a space rocket!
ostriches dont have space travel technology
Maybe someday, but not today
figure it out tard
The question is irrelevant, since sounds cannot be transmitted through space.