Black Holes and Dark Matter...

After masking out all known stars, galaxies and artifacts and enhancing what's left, an irregular background glow appears. This is the cosmic infrared background (CIB); lighter colors indicate brighter areas. The CIB glow is more irregular than can be explained by distant unresolved galaxies, and this excess structure is thought to be light emitted when the universe was less than a billion years old. Scientists say it likely originated from the first luminous objects to form in the universe, which includes both the first stars and black holes.
Credits: NASA/JPL-Caltech/A. Kashlinsky (Goddard)


Topics: Astrophysics, Black Holes, Dark Matter, Physics Humor


I'll admit to being a fan of The Flash, but an informed one. For instance, speed in physics - along with mass (that's "us") is associated with momentum; acceleration and mass is associated with force. Every time I hear "speed force," I cringe. There was the memorable episode where Barry "talked" to the speed force (who looked like Joe, Iris, his mom and dad; a wraith that looked like him), which the writers obligatorily associated with Dark Energy, Dark Matter and the Big Bang. Barry had one memorable line that sounded kinda "science-y" when conversing with said speed deities: "this is like talking to gravity, or light," which as a part of nature, are not typically conversant. This of course is the fanciful departure of Hollywood cartoon physics, and as I allude at the link provided: don't take me to your Sci-Fi movie night!

The following is rather exciting, a hypothesis that will have to stand up to relentless peer review. Even though I'm a fan of superhero comic shows, I look forward to the coming published scientific conversations that will eventually (hopefully) hash this out.

Dark matter is a mysterious substance composing most of the material universe, now widely thought to be some form of massive exotic particle. An intriguing alternative view is that dark matter is made of black holes formed during the first second of our universe's existence, known as primordial black holes. Now a scientist at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, suggests that this interpretation aligns with our knowledge of cosmic infrared and X-ray background glows and may explain the unexpectedly high masses of merging black holes detected last year.

"This study is an effort to bring together a broad set of ideas and observations to test how well they fit, and the fit is surprisingly good," said Alexander Kashlinsky, an astrophysicist at NASA Goddard. "If this is correct, then all galaxies, including our own, are embedded within a vast sphere of black holes each about 30 times the sun's mass."

In 2005, Kashlinsky led a team of astronomers using NASA's Spitzer Space Telescope to explore the background glow of infrared light in one part of the sky. The researchers reported excessive patchiness in the glow and concluded it was likely caused by the aggregate light of the first sources to illuminate the universe more than 13 billion years ago. Follow-up studies confirmed that this cosmic infrared background (CIB) showed similar unexpected structure in other parts of the sky.

NASA Scientist Suggests Possible Link Between Primordial Black Holes and Dark Matter
Francis Reddy

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