Some Planets Could Form In Just 3 Million Years

Article written: 27 May , 2003
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An Earth-like planet could come together from a cloud of dust in as short as 3 million years according to a new report from researchers in Florida and Michigan. By studying the pre-planetary disks that form around other stars, the astronomers noticed that the disks form around young stars when they’re 1 million years old, but few stay longer than 3 million years, and none are present at 6 million years. This means that rocky planets, like the Earth, had to have formed during that time. Astronomers previously believed it took 10 million years for planets to form.


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