Of course they can - as long as they are in their spacesuits or habitats. Out in the open? No.
It would be difficult for humans to breathe on other planets as the atmospheres are very different from Earth's. For example, on Mars the atmosphere is mostly carbon dioxide with very little oxygen. Special equipment would be needed to survive on other planets.
We do not have a system of dates for other planets. The only system we have is that of Earth.
Other planets other than earth is put in the solar system for humans to explore and do researches on them.
No, There isn't any life on the other planets.
There are eight planets and five dwarf planets in our solar system.
The difference is that the sun is a star, the other planets are just planets
As of now, the only planet known to have its own moon is Earth. Other planets in our solar system have moons but no planets of their own. In our solar system, moons primarily orbit around planets rather than planets orbiting around other planets.
Yes. Besides earth there are seven other major planets and 5 recognised dwarf planets.
Planets have no purpose. They just "are".
NO- People have found water on other planets but there is no life there.
These are planets that are in orbit around other stars, known as exosolar planets.
Closer than the other planets in our Solar System? No - only Neptune is farther away, the other planets are closer to the SuUn than Uranus.Closer than the other planets in our Solar System? No - only Neptune is farther away, the other planets are closer to the SuUn than Uranus.Closer than the other planets in our Solar System? No - only Neptune is farther away, the other planets are closer to the SuUn than Uranus.Closer than the other planets in our Solar System? No - only Neptune is farther away, the other planets are closer to the SuUn than Uranus.