Post by sherlew99 on Jun 14, 2017 22:02:20 GMT -6
Space.com
Science & Astronomy
Sun Likely Has a Long-Lost Twin
By Mike Wall, Space.com Senior Writer | June 14, 2017 06:57am ET
For decades, some scientists have speculated that the sun has a companion whose gravitational tug periodically jostles comets out of their normal orbits, sending them careening toward Earth. The resulting impacts have caused mass extinctions, the thinking goes, which explains the putative star's nickname: Nemesis..
Now, a new study reports that almost all sun-like stars are likely born with companions, bolstering the case for the existence of Nemesis.
Science & Astronomy
Sun Likely Has a Long-Lost Twin
By Mike Wall, Space.com Senior Writer | June 14, 2017 06:57am ET
For decades, some scientists have speculated that the sun has a companion whose gravitational tug periodically jostles comets out of their normal orbits, sending them careening toward Earth. The resulting impacts have caused mass extinctions, the thinking goes, which explains the putative star's nickname: Nemesis..
Now, a new study reports that almost all sun-like stars are likely born with companions, bolstering the case for the existence of Nemesis.
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