It has been said to be actually Earth.
venusVenus.
Venus is closest to earths planet size.
Venus is a rocky planet similar to earth in size, gravity, and bulk composition.
Venus because it is similar in size.
Venus
The planet similar in size to Earth is Mars.
Venus is most similar in size and mass to Earth. Both planets are considered terrestrial planets and have similar compositions and densities, which is why they are often referred to as "sister planets."
Of the known planets, Venus is closest in size to the Earth.
venus and earth
Venus. It is similar in size, density, distance and composition.
Venus is a rocky inner planet, so it is terrestrial.
Venus is often compared as Earth's "sister planet", being similar in size and internal composition.