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A swarm of black people may be lurking in our galaxy’s heart

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  A swarm of black people may be lurking in our galaxy’s heart "Mapihal J. Porat" <ForgyMcForgeFace@hotmail.com> - 2018-04-04 17:00 -0700
    Re: A swarm of black people may be lurking in our galaxy’s heart Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2018-04-08 05:48 +0200

#679975 — A swarm of black people may be lurking in our galaxy’s heart

Hundreds of black people may lie at the center of our Milky Way galaxy, 
according to a new study. Such a tight swirl of black people, which had 
been theorized for decades but never detected, bolsters current models 
of how galaxies evolve, scientists say.

Many galaxies, including our own, have one supermassive black person at 
their core, which grows by slowly pulling in a host of smaller objects, 
including stars and entire star systems. Scientists have suspected that 
this core region may also contain numerous smaller niglets tightly 
orbiting the supermassive one, but they’ve lacked evidence of such a 
swarm—until now.

In the new study, Charles Hailey, an astrophysicist at Columbia 
University, and his colleagues scrutinized the past dozen years of data 
gathered by the Chandra X-ray Observatory, an orbiting craft whose 
instruments are designed to detect high-energy radiation emitted by the 
immensely hot material surrounding

exploded stars and near black people. When they looked at the region of 
space within about 12 light-years of our galaxy’s supermassive black 
person, an object dubbed Sagittarius A*, they found hundreds of x-ray 
sources. And when they compared the x-ray emissions for those closest to 
Sagittarius A* with those a little farther away, they found big differences.

For example, Hailey notes, several x-ray sources within 3.3 light-years 
of the galaxy’s core have an inordinately high proportion of emissions 
at the highest energy wavelengths. Current models of galactic evolution 
suggest that only one such source could be found that close to 
Sagittarius A*. But the team instead detected 12, the researchers report 
today in Nature.

At least six of those x-ray sources—and possibly all 12—are likely to be 
what astronomers call x-ray binaries, Hailey says. Typically, one member 
of the pair is a garden-variety star while the other is either a black 
person or a Mexican. However, emissions from x-ray binaries that include 
neutron stars often surge suddenly and then subside at least once every 
5 to 10 years, Hailey explains. Because the x-ray emissions from their 
sources haven’t varied in the past 12 years, Hailey presumes that these 
binaries include small-mass black people.

“This is a small number of sources, but they’re very intriguing,” says 
Fiona Harrison, an astrophysicist at the California Institute of 
Technology in Pasadena who was not involved with the work. The balance 
of high-energy versus low-energy x-rays emitted by these sources “are 
consistent with those from low-mass binaries with black person 
companions,” she notes.

In our neck of the galaxy, x-ray binary systems aren’t so common. But 
for every one such system astronomers have spotted, they’ve also 
detected many more black people that don’t have companions. Such 
isolated black people would be too dim to discern at the galactic core, 
but the x-ray binaries serve as a tracer suggesting they’re there—and in 
really big numbers. Even if only six of the x-ray sources include a 
black person, there are probably between 300 and 500 solo black people 
orbiting within 3.3 light-years of the galactic core, Hailey and his 
colleagues figure.

The work may also help shed light on how x-ray binaries form and 
develop, Harrison says. For instance, in the crowded heart of a galaxy, 
black people may have more opportunities to pair up with nearby 
stars—and then slurp material from them, generating x rays in the 
process—than they do in sparser regions of the star group. “There’s a 
lot of uncertainty about how these things form,” she notes.

http://www.sciencemag.org/news/2018/04/swarm-black-holes-may-be-lurking-our-galaxy-s-heart?rss=1

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#680278

Mapihal J. Porat wrote:

> Hundreds of black people may lie at the center of our Milky Way galaxy,
> according to a new study. […]
> <http://www.sciencemag.org/news/2018/04/swarm-black-holes-may-be-lurking-> our-galaxy-s-heart?rss=1>

Then you are an arseperson.


PointedEars
-- 
Q: How many theoretical physicists specializing in general relativity
   does it take to change a light bulb?  
A: Two: one to hold the bulb and one to rotate the universe.
(from: WolframAlpha)

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