The color of the skin of the first human being on earth is not definitively known.
Yuri Gagarin was the first human both sent to space and also to orbit the Earth.
Adam
Adam was the first human on this planet
ADAM
Adam
The first person to orbit the Earth was the Soviet cosmonaut, Yuri Gagarin.
human
Yuri Gagarin, who was not only the first Russian but the first human to orbit the earth.
The first human which was born on Earth.
The first human to have orbited the earth was Yuri Gagarin.
The color of the skin of the first human on earth is not definitively known, as it would have depended on various factors such as geographic location and environmental conditions.