mars
Mars
Mars
.How do you know that earth isn't the other planet?
A planet called Kepler 186f, in the constellation Cygnus, is the same size as the Earth and it is similar to Earth in looking to. Venus is only slightly smaller than Earth and is the closest in size to it in our solar system.
earth has never visited another planet
If the environment was very similar to Earth, yeah. Otherwise, no.
It is very likely there is another planet similar to Earthsomewhere. It may have similar properties but it would not be exactly the same. CW: Look under your fingernails for additional earth.
The Earth is to the Moon as a planet is to its moon. So, if we're talking about a satellite orbiting a planet, then the planet would be analogous to the Earth, and the satellite would be analogous to the Moon.
Venus is often compared as Earth's "sister planet", being similar in size and internal composition.
Mars
Venus.
Mars
Mars
No. There is not another planet inside Earth.
.How do you know that earth isn't the other planet?
The planet similar in size to Earth is Mars.
blue planet