because it travels to far.
an unmanned space probe is a satellite orbiting around the planet
Unmanned - Space probes are a form of robotic spacecraft.
it is too small for human
Yes, Voyager II has. (Voyager II is an unmanned space probe).
manned space probe is when there are people traveling in a spaceship. whereas unmanned is when there is nobody in a ship unmanned is launched for the first time to a planet to see that a manned can land.
A space probe is an unmanned spacecraft sent into space.
yes he did go to space
space probe
a space probe.
No, Galileo was an unmanned probe. At this time, it is not possible for humans to travel to Jupiter.
The space probe Mariner 10 has been sent to Mercury. Currently the unmanned space probe MESSANGER is photographing and studying Mercury.
It isn't better, only cheaper. It is better to probe unmanned, to see what it will take to go and come back alive.