alot
12. See question "how many manned moon landings have there been?"
no human has ever landed on mars however many many probes have been sent there
The Russians have failed to make a single moon landing, they were not interested in landing on the moon.
Manned missions to the moon: there have been eight successful manned missions to the moon, including six landings.
alot
Nine, six of which were successful landings.
Bruno Mars has never been in jail!
MANY
12. See question "how many manned moon landings have there been?"
yes and no not many humans have been on mars okay thanks from mars
there are currrently 2 known satellites oribiting mars
no human has ever landed on mars however many many probes have been sent there
No astronauts, but many robots have been there.
lots.
300
72 craters are on mars. And a few more, I think.