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If by humans visiting you mean , Which planet's have had humans land on that planet the answer is none. The only other place in space that humans have visited is the moon.
Here's a problem : If we send people to the sun, they burn.
We all ready have by sending men into space and to the moon.
jupiter is a gas planet so if you tried to stand on jupiter you would sink through
Not many. Most (97% of) climate scientists agree that the earth is warming and that humans are causing global warming by burning fossil fuels and cutting down forests.
Since scientists were not sure what would happen to humans in space, dogs were used as substitutes for experimental for data gathering.
the moon
Most scientists believe that humans originated in Africa.
If by humans visiting you mean , Which planet's have had humans land on that planet the answer is none. The only other place in space that humans have visited is the moon.
Humans
Humans are stupid and yeast makes bread.
Homo habilis means "handy man" in Latin, reflecting the species' ability to use tools. Scientists consider Homo habilis as one of the earliest members of the Homo genus, distinguished by their primitive stone tool-making abilities.
At this time there is no current mission to send humans to live on the moon.
no
Nothing. We cannot prevent tornadoes.
-- cost -- popular support
-- cost -- popular support