Bizarre 'dark fluid' with negative mass could dominate the universe
Thursday, December 6, 2018 - 07:30
in Astronomy & Space
It's embarrassing, but astrophysicists are the first to admit it. Our best theoretical model can only explain 5% of the universe. The remaining 95% is famously made up almost entirely of invisible, unknown material dubbed dark energy and dark matter. So even though there are a billion trillion stars in the observable universe, they are actually extremely rare.