Question

Is venus nickname earths sister

Answer 1

Yes.Earth is sometimes called Earth's sister.

Answer 2

Yes, 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.

(just had to do a google search)