One Billion Earth-sized Worlds

There should at least be one billion Earth-sized worlds in the Milky Way galaxy at present, scientists have theorised, adding that in the entire universe, bulk of life-supporting planets -- 92 percent -- are yet to be born.

There should at least be one billion Earth-sized worlds in the Milky Way galaxy at present, scientists have theorised, adding that in the entire universe, bulk of life-supporting planets -- 92 per cent -- are yet to be born.

There should at least be one billion Earth-sized worlds in the Milky Way galaxy at present, scientists have theorised, adding that in the entire universe, bulk of life-supporting planets -- 92 percent -- are yet to be born.

There should at least be one billion Earth-sized worlds in the Milky Way galaxy at present, scientists have theorised, adding that in the entire universe, bulk of life-supporting planets -- 92 per cent -- are yet to be born.