In terms of size, average density, mass, and surface gravity, Venus is very similar to Earth. But Mars is the planet that is most similar to Earth in other ways.

How many planets are similar to Earth?

Earth-like worlds of interest

With the help of ground and space-based telescopes, researchers have found about 4,000 confirmed exoplanets and thousands of other candidates. A relatively small number of these worlds bear similarities to Earth.

Which planet is almost equal to Earth?

Venus is sometimes called Earth's twin because Venus and Earth are almost the same size, have about the same mass (they weigh about the same), and have a very similar composition (are made of the same material). They are also neighboring planets. However, Venus and Earth are also very different.