Venus is the closest planet to earth. We can not explore it yet because the earths technology is not advanced enough
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The planet closest to Earth is Venus. We can explore Venus, and we have sent multiple spacecraft to study its atmosphere and surface. However, its extreme temperatures, atmospheric pressure, and acidic environment make it challenging for human exploration.
Earth is the only planet in our solar system known to have liquid water on its surface. Mars and some of Jupiter's and Saturn's moons have evidence of past liquid water, but Earth is the only one currently known to have it.
pluto
Mercury is one of the five planets visible to the naked eye from Earth. It has been known since ancient times and does not have a specific team or individual credited with its discovery.
No I cant
Yes, Neptune is visible to the naked eye under very dark, clear skies. It appears as a small, blueish dot and is best viewed using a telescope.