Mystic Sisterhood

Would you like to react to this message? Create an account in a few clicks or log in to continue.
Mystic Sisterhood

Psychic, Paranormal & Natural Science Forums



Next Chat Event

Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking? 5nvklj





Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking? 9tpt39

..


Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking?

Dragon
Dragon
Senior Administrator
Senior Administrator

Posts : 5486
Points : 20541
Times User Thanked: : 471
Join date : 2018-01-18

Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking? Empty Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking?

Post by Dragon Tue Feb 04, 2020 3:53 pm

This isn't how black holes are supposed to behave.

When two neutron stars slammed together far off in space, they created a powerful shaking in the universe — gravitational waves that scientists detected on Earth in 2017. Now, sifting through those gravitational wave recordings, a pair of physicists think they've found evidence of a black hole that would violate the neat model drawn from Albert Einstein's theory of general relativity.

In general relativity, black holes are simple objects: infinitely compressed singularities, or points of matter, surrounded by smooth event horizons through which no light, energy or matter can escape. Until now, every bit of data we've gleaned from black holes has supported this model.

But in the 1970s, Stephen Hawking wrote a series of papers suggesting that the borders of black holes aren't quite so smooth. Instead, they blur thanks to a series of effects linked to quantum mechanics that allow "Hawking radiation" to escape. In the years since, a number of alternative black hole models have emerged, where those smooth, perfect event horizons would be replaced with flimsier, fuzzier membranes. More recently, physicists have predicted that this fuzz would be particularly intense around newly formed black holes — substantial enough to reflect gravitational waves, producing an echo in the signal of a black hole's formation. Now, in the aftermath of the neutron star collision, two physicists think they've found that type of echo. They argue that a black hole that formed when the neutron stars merged is ringing like an echoing bell and shattering simple black hole physics.

Continued...
Source


_________________
Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking? 334pu7m
Dragon
Dragon
Senior Administrator
Senior Administrator

Posts : 5486
Points : 20541
Times User Thanked: : 471
Join date : 2018-01-18

Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking? Empty Re: Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking?

Post by Dragon Tue Feb 04, 2020 3:55 pm

Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking? MVqfpKcTdPLgGQbUNpDhZN-1024-80
(Image: © Shutterstock)

Black holes are infinitely dense objects surrounded by smooth event horizons.

Source / Image Courtesy


_________________
Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking? 334pu7m
Dragon
Dragon
Senior Administrator
Senior Administrator

Posts : 5486
Points : 20541
Times User Thanked: : 471
Join date : 2018-01-18

Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking? Empty Re: Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking?

Post by Dragon Tue Feb 04, 2020 4:03 pm



Secrets of Distant Black Hole Revealed Using X-Ray Echoes


_________________
Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking? 334pu7m

Sponsored content

Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking? Empty Re: Black holes shouldn't echo, but this one might. Score 1 for Stephen Hawking?

Post by Sponsored content


    Current date/time is Fri Feb 26, 2021 12:22 am