The world's leading physicist and Scientist Stefan Hawking has always claimed that alien or different planets existed.
US space agency NASA recently discovered that there have more planets like Earth.There can be existing lives.If is it true then it matches with the words of Stefan Hawking.
We all know that type of stuff. But Now Scientist Stefan Hawking said that "People should find a new home outside the world as soon as possible, Otherwise after 600 years no one will be alive on earth."
How people Damage the environment day by day after 600 year the earth will become fireballs.
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