Theory says there may be disk of dark matter at center of galaxy

Scientists widely accept that the extinction of the dinosaurs was triggered when a massive object smashed into Earth and touched off a global ice age that wiped out as many as three-quarters of all species. The question, however, is where that object originated.

from Phys.org: Physics News http://ift.tt/1p7VTi6

Leave a comment

Your email address will not be published.


*


Show Buttons
Hide Buttons