what are space probes
why is your topic important to space exploration
3.it was invented on october 4,1957
4.there was no people in space probes or animals.
5.u.s and russia
6.the important task was to gather information and send it back to eart
7.they used a computer to send signals.
8.the important places were the planets and the moon.
9.yes it is still important.