I think it was Sputnik. But the first man-made object in space was a steel plate that was launched into space by an atomic bomb test. That only happened two months before Sputnik.
Venus was the first planet on which a space probe landed.
The first space probe was the satellite Sputnik I launched in 1957.
Russia
Sputnik
nobody really know's when the first space probe was created. But it was launched on october 4 1957
The first space probe was the Luna I by the United Soviet Socialist Republic. It did a flyby of the moon in 1959
Russians
The first planet to be explored by a space probe is Venus. Hope this helps. : )
Sputnik
Luna I
The Russians invented the space probe and launched it into space on october 4, 1957.
destiny