Until sometime in the last half of the twentieth century it is still a planet shrouded in mystery, enveloped in a heavy blanket of clouds and steam. Because its surface temperature was believed to be several times that of Earth's, it was not thought possible for Man to reach Venus and come back... until one day, somebody did it."
Until roughly the latter half of the 20th century, it remained a planet shrouded in mystery, enveloped by thick clouds and steam. Due to its surface temperature being many times that of Earth's, it was thought impossible for humans to reach Venus and return... until someone did.