Soviet cosmonaut Yuri Gagarin was the first human to travel into space, on 12 April 1961.
Yuri A.Gagarin
The first planet to be explored by a space probe is Venus. Hope this helps. : )
12 so far i think... The first ever person to enter space was Neil Armstrong
mars
space is explored in couple of yrs in which satellites r sent 2 scrutinize
Space exploration is a very important part of science history. Mars was the planet that was first explored in the year 1972.
Christopher Columbus
Yes. It was one of the Mariner probes.
space has been explored by Orbital flights Human flights
venus was explored when a space craft was flying by
explored the pacific ocean. first person in europe to discover it
HST took its first pix of Neptune in 2005.
Yuri Gagarin is the first person to fly in space.