Well, even taking the pessimistic estimate, that it's one in a thousand, that means that there are at least a billion cousins of the Earth just in our own galaxy.
Walaupun kita mengambil perkiraan yang paling kecil, 1 berbanding 1.000, itu berarti jumlah sepupu Bumi di galaksi kita saja ada sekitar 1 miliar planet