If you mean which planets that Humans have set foot on then Earth is the only one.
We have went to the moon, but it does not count as a planet.
Human made space craft have been to every planet in the Solar System. We have on en route to Pluto right now.
As of now, a total of 12 astronauts have walked on the surface of various planets in our solar system. These missions include the Apollo moon landings and Mars rover missions. There are plans for future manned missions to Mars and potentially other planets as well.
No. Other stars have been found to have planets orbiting them.
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People want to explore other planets to expand our understanding of the universe, to discover if life exists beyond Earth, and to potentially find resources that could benefit humanity in the future. Exploration of other planets also allows us to push the boundaries of science and technology.
As of now, no human has traveled to other planets in our solar system. All crewed space missions have been limited to the Moon and low Earth orbit. However, unmanned spacecraft have been sent to planets like Mars and Venus for exploration.
Nobody has been to Eris. The only place people have gone is to the moon, not to any of the other planets.
NO- People have found water on other planets but there is no life there.
The planets have been around much longer than people.
Other than the Earth, no life has been found on any of the other planets. We are still searching.
no. no humans have ever been to any of the other planets.
As of now, a total of 12 astronauts have walked on the surface of various planets in our solar system. These missions include the Apollo moon landings and Mars rover missions. There are plans for future manned missions to Mars and potentially other planets as well.
No. Other stars have been found to have planets orbiting them.
Because we can see the nearest planets through telescopes and for those much further away we can detect them by their effect on other planets and stars.
None that we know of.
People have been watching the five visible planets since ancient times, and probably since the dawn of humanity.
Astronomers has been going to some of the planets. The advanced telescope can observe the planets more closely. and the satellites has been agthering pictures and datat from the space.
People want to explore other planets to expand our understanding of the universe, to discover if life exists beyond Earth, and to potentially find resources that could benefit humanity in the future. Exploration of other planets also allows us to push the boundaries of science and technology.