Cosmic impact.


Is this how it will all end? Could this be the “Great Filter” waiting to end our species and civilization?…

Pair of scientists suggest that as our Solar System passes the Galactic Plane, it might encounter a Dark Matter disk that would gravitationally disrupt the Oort Cloud and send Comets careening toward the inner Solar System

Note that: “This new theory by the research pair has some problems—it assumes the periodicity of crater creation has been firmly established, which it hasn’t, and, scientists aren’t even sure which craters on the Earth’s surface were cause by what sort of object. In any event, the theory is expected to gain or lose credence as the European Space Agency’s Gaia mission gets underway—it’s supposed to give us a better view of the Milky Way Galaxy than ever before.”

“( —A pair of researchers at Harvard University has published a paper in the journal Physical Review Letters, in which they suggest that a dark matter disk hiding in the Milky Way plane might be responsible for causing asteroids or comets to head our way. In their paper, Lisa Randall and Matthew Reece suggest that such a dark matter disk could pull other bodies from the Oort cloud, some of which could wind up heading toward Earth.”

Read more at:

The study: Dark Matter as a Trigger for Periodic Comet Impacts, Phys. Rev. Lett. 112, 161301 – Published 21 April 2014.

Image: Our Solar System orbits around the Milky Way’s center, completing a revolution every 250 million years or so. Along this path, it oscillates up and down, crossing the galactic plane about every 32 million years. If a dark matter disk were concentrated along the galactic plane, as shown here, it might tidally disrupt the motion of comets in the Oort cloud at the outer edge of our Solar System. This could explain possible periodic fluctuations in the rate of impacts on Earth. Credit: Physics 7, 41 (2014) | DOI: 10.1103/Physics.7.41


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