A Starry Nemesis

Something to ponder – not fact – at the moment, scientific speculation….

At least two thirds of the stars in our universe are binary stars. Meaning they orbit in twos. It was always believed that our sun was an exception. Now scientists aren’t so sure.They noticed that approx. every 26 million years something catastrophic happened to earth. We’re talking an event like the extinction of dinosaurs.

Asking themselves how this was possible with such regularity, the theory of a binary star was born. They have dubbed this star Nemesis. They believe Nemesis is a red dwarf star. A Red Dwarf is known as a “dull” star, not giving off much light would explain why they haven’t seen it.

The Oort cloud, named for Dutch astronomer Jan Oort, was theorized in the 1950s. It is believed to be a spherical ring of comets, at the farthest edge of the suns gravitational pull, the origin of most comets. Scientists have noticed that something is disrupting the Oort ring. This disruption always happens from predictable points, as if effected by gravitational pull.

Many now believe that the orbit of Nemesis is the explanation. Not to worry, the return of Nemesis; should it exist is still millions of years away

http://www.space.com/10869-nemesis-dwarf-stars-collide-solar-system.html

File:RedDwarfNASA-hue-shifted.jpg

File photo of a Red Dwarf from NASA

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