Astronomers have discovered new earth like planet 40 Light Year away from our planet earth .This planet has assumed to be made up of mostly rock and metal like earth and has chance to exist life . Scientists named this planet LHS 1140b which rotates its own sun making elliptical path .
To exist life planet should meet certain criteria like atmosphere , water , temperature etc .Scientists through multiple observation say this planet has a high probability to meet most of those criteria and this is the most exciting exoplanet ever discovered .
Initially this planet is discovered using planet observing method called transit method .In transit method stars and distant planets are observed by measuring intensity and movement of stars or planets throug that passes throug the earth & using a huge hubble telescope as shown in animation below .
Scientists say this planet has still some mystery and remains a lot of thing to discovered .