Because it is the nearest planet to Earth that does not have conditions readily deadly to humans (poisonous gases in the atmosphere, extreme heat, etc.), and theoretically could be made more Earthlike.
No humans have visited the planet Neptune.
well the moon... but that's not really a planet so logically we found the closest planets first.
Humans have not visited any planet. They have sent probes to several planets; the first to "land" ("crash into" would be a more accurate term) would be the Soviet Venera 3 which hit Venus in 1966. In 1971, another Soviet craft (Mars 3) landed on Mars.
Earth's exact age is indefinite but it is millions of years old. Humans discovered it when they had their first concious thought.
Venus was the second planet to be explored by humans, following the exploration of Mars. The first successful robotic mission to land on Venus was Venera 7 in 1970, and subsequent missions have provided valuable data about the planet's atmosphere and surface.
they prefer it to marathon they are allergic to nuts it reminds them of their childhood lol and another one it helps them work, rest and play
It is highly likely that humans originated in Africa, and so yes, the first humans would have been black.
earth is the first planet humans have visited and the only one
The first humans were likely dark-skinned, but the specific skin color of the very first humans is not definitively known.
they never did, it was the Mars rover
No humans have visited the planet Neptune.
Humans have visited NO planet outside of Earth. Humans have visited the Moon, which is not normally considered a planet.Unmanned probes sent by humans, on the other hand, have already visited several planets.
No records available. Rocks are likely.
No records available. Rocks are likely.
When humans evolved and realized they were standing on something.
Cave paintings, most likely.
well the moon... but that's not really a planet so logically we found the closest planets first.