News tagged with primordial black holes

Could primordial black holes be dark matter?

(PhysOrg.com) -- “We know that about 25% of the matter in the universe is dark matter, but we don’t know what it is,” Michael Kesden tells PhysOrg.com. “There are a number of different theories about what da ...

Sep 21, 2011 feature
4.1 / 5 (27) 48 | with audio podcast

Search results for primordial black holes

Simulations reveal an unusual death for ancient stars

(Phys.org) —Certain primordial stars—those 55,000 and 56,000 times the mass of our Sun, or solar masses—may have died unusually. In death, these objects—among the Universe's first-generation of stars—would ...

Sep 29, 2014
4.8 / 5 (41) 17

How much of the universe is black holes?

We all fear black holes, but how many of them are there out there, really? Between the stellar mass black holes and the supermassive ones, just how much of our Universe is black holes?

Jun 17, 2014
3.5 / 5 (35) 22

Detecting gravitational waves at your desk

Physics is on the front pages of newspapers around the world. This time it is because of the announcement made by a team of scientists who seem to have found indirect evidence for the existence of "primord ...

Mar 24, 2014
4.5 / 5 (30) 2

Death by black hole in small galaxy?

(Phys.org) —A bright, long-duration flare may be the first recorded event of a black hole destroying a star in a dwarf galaxy. The evidence comes from two independent studies using data from NASA's Chandra ...

Jan 08, 2014
5 / 5 (12) 31 | with audio podcast

List of search results for primordial black holes