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Keyword: blackhole

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  • Astronomy Picture of the Day - A Black Hole Disrupts a Passing Star

    05/05/2024 1:02:38 PM PDT · by MtnClimber · 15 replies
    NASA ^ | 5 May, 2024 | Illustration Credit: NASA, JPL-Caltech
    Explanation: What happens to a star that goes near a black hole? If the star directly impacts a massive black hole, then the star falls in completely -- and everything vanishes. More likely, though, the star goes close enough to have the black hole's gravity pull away its outer layers, or disrupt, the star. Then, most of the star's gas does not fall into the black hole. These stellar tidal disruption events can be as bright as a supernova, and an increasing amount of them are being discovered by automated sky surveys. In the featured artist's illustration, a star has...
  • European Space Agency refuses to name Israeli in sensational discovery

    05/16/2024 6:11:46 AM PDT · by Eleutheria5 · 15 replies
    Ynet ^ | 13/5/24 | Elad Zeret
    Just two weeks ago, the European Space Agency announced the discovery of a new black hole, the heaviest on the Milky Way, 33 times bigger than the Sun and 2,000 light years from Earth. Tel Aviv University’s Prof. Tsevi Mazeh, who was recently awarded the Israel Prize in physics, is among those responsible for the European Gaia spacecraft’s discovery. But if you ask him how excited he was that week, in which he both learned of his Israel prize award and his research on the new black was published, he’ll swiftly answer “The Israel prize wins bigtime.” “I cried a...
  • Record-Breaking Stellar Black Hole Found Lurking Close to Earth

    04/17/2024 12:58:44 PM PDT · by Red Badger · 23 replies
    Science Alert ^ | 17 April 2024 | MICHELLE STARR
    You never really know what you might find hiding in your own backyard, especially if those things are particularly adept at escaping detection. Just 1,924 light-years from the Solar System, in the constellation of Aquila, astronomers have just discovered a black hole. And it's not just any black hole. Named Gaia BH3, or BH3, the object is the most massive stellar-mass black hole we've ever spotted in the Milky Way, clocking in at a hefty 33 times the mass of the Sun. It's the second-closest black hole we've found to our home-world, and it's just hanging out, quietly in space,...
  • The Oldest Black Hole Ever Discovered Is Surprisingly Big

    01/17/2024 9:46:54 PM PST · by Red Badger · 16 replies
    Inverse ^ | January 17, 2024 | BY KIONA SMITH
    The James Webb Space Telescope peered 13.4 billion years into the past and found a black hole-sized conundrum. The oldest supermassive black hole astronomers have ever seen is gorging messily on the heart of its host galaxy, which may ultimately doom the black hole along with its prey. In the process, this ancient black hole — or at least as it looked 13.4 billion years ago — may offer important clues about how the universe’s first supermassive black holes formed and grew. University of Cambridge astrophysicist Roberto Maiolino and his colleagues recently used the James Webb Space Telescope (JWST) instruments...
  • Our galaxy’s black hole spins fast and drags space-time with it, scientists say

    11/30/2023 11:17:14 AM PST · by Red Badger · 27 replies ^ | Nov 28, 2023 1:52 PM CST | By Taylor Nicioli
    By looking at radio waves and X-ray emissions, a team of physicists has found black hole Sagittarius A* to be spinning — and altering space-time around it. The supermassive black hole at the center of our galaxy, Sagittarius A*, is spinning rapidly and altering space-time around it, a new study has found. Space-time is the four-dimensional continuum that describes how we see space, fusing one-dimensional time and three-dimensional space together to represent the space fabric that curves in response to massive celestial bodies. A team of physicists observed the black hole, which is located 26,000 light-years from Earth, with NASA’s...
  • In 2009, a Massive Star Vanished. JWST Might Have Figured Out What Happened.

    10/05/2023 11:56:59 AM PDT · by Red Badger · 18 replies
    Science Alert ^ | 05 October 2023 | By BRIAN KOBERLEIN, UNIVERSE TODAY
    Illustration of how a failed supernova can become a black hole. (P. Jeffries/STScI/NASA/ESA) In 2009 a giant star 25 times more massive than the Sun simply…vanished. Okay, it wasn't quite that simple. It underwent a period of brightening, increasing in luminosity to a million Suns, just as if it was ready to explode into a supernova. But then it faded rather than exploding. And when astronomers tried to see the star, using the Large Binocular Telescope (LBT), Hubble, and the Spitzer space telescope, they couldn't see anything. The star, known as N6946-BH1, is now considered a failed supernova. The BH1...
  • Cosmic Gold Factory: Single Kilonova Produced 1,000x the Mass of the Earth in Very Heavy Elements

    08/09/2023 1:06:39 PM PDT · by Red Badger · 11 replies
    Scitech Daily ^ | AUGUST 8, 2023 | By UNIVERSITY OF BIRMINGHAM
    Artist’s impression of GRB 211211A. Scientists have linked this unusual gamma-ray burst from a nearby galaxy to a neutron star merger. Credit: Soheb Mandhai @TheAstroPhoenix An unusually powerful gamma-ray burst (GRB 211211A), detected from a nearby galaxy, has been linked to a neutron star merger by an international team of scientists. This burst, notable for its excess of infrared light, was shown to originate from a kilonova, an event thought to occur when neutron stars collide. Scientists have linked a highly unusual blast of high-energy light from a nearby galaxy to a neutron star merger. The event, detected in December...
  • Cosmic Kaboom: Astronomers Reveal the Largest Explosion Ever Witnessed

    05/12/2023 6:47:04 AM PDT · by Red Badger · 27 replies
    Scitech Daily ^ | MAY 12, 2023 | By UNIVERSITY OF SOUTHAMPTON
    Artist impression of a black hole accretion. Astronomers led by the University of Southampton have discovered the largest cosmic explosion ever observed, known as AT2021lwx. Over ten times brighter than any known supernova and three times brighter than the brightest tidal disruption event, the explosion has been ongoing for more than three years. Researchers believe the explosion is due to a massive gas cloud, possibly thousands of times larger than the sun, being violently disrupted by a supermassive black hole. Credit John A. Paice Astronomers have discovered the largest cosmic explosion ever observed, AT2021lwx, which is believed to have...
  • Researchers use AI to sharpen first image ever taken of black hole

    04/17/2023 12:25:46 PM PDT · by Red Badger · 29 replies
    UPI ^ | APRIL 13, 2023 / 1:03 PM | By Patrick Hilsman
    Researchers at NOIRLab have released a version of the first image ever captured of a black hole that has been sharpened by using artificial intelligence. Photo courtesy of NOIRLab/Press Release April 13 (UPI) -- Researchers at the National Science Foundation's NOIRLab have applied AI technology to the first image ever captured of a black hole to present a clearer image of how gas spirals into supermassive black holes. When gas approaches a black hole, it swirls quickly and superheats because of friction, which in turn releases radiation that can be detected by radio telescopes. The team published a paper in...
  • Justice Department opens criminal investigation into leaked Pentagon documents that "appear to contain sensitive and highly classified material"

    04/10/2023 4:01:55 AM PDT · by Oldeconomybuyer · 29 replies
    CBS News ^ | April 9, 2023 | By Jordan Freiman
    The Department of Justice has opened a criminal investigation into the leak of documents that "appear to contain sensitive and highly classified material," a Defense Department spokesperson said Sunday. The Pentagon was also still assessing the validity of the documents, the spokesperson said. "An interagency effort has been stood up, focused on assessing the impact these photographed documents could have on U.S. national security and on our Allies and partners," Pentagon deputy press secretary Sabrina Singh said in a statement. "Over the weekend, U.S. officials have engaged with Allies and partners and have informed relevant congressional committees of jurisdiction about...
  • Gaia Discovers a Mysterious New Type of Black Hole – And Two Are Lurking in Earth’s Cosmic Backyard

    04/06/2023 1:07:44 PM PDT · by Red Badger · 11 replies
    Scitech Daily ^ | By EUROPEAN SPACE AGENCY (ESA) APRIL 6, 2023
    Gaia Black Holes The location of the first two black holes discovered by ESA’s Gaia mission in the Milky Way. This map of our galaxy was also made by the Gaia mission. Gaia Black Hole 1 is located just 1560 light-years away from us in the direction of the constellation Ophiuchus and Gaia Black Hole 2 is 3800 light-years away in the constellation Centaurus. In galactic terms, these black holes reside in our cosmic backyard. Credit: ESA/Gaia/DPAC; CC BY-SA 3.0 IGO ESA’s Gaia mission has helped discover a new kind of black hole. The new family already has two members,...
  • CNN’s Lemon: Trump’s ‘Racist’ Attacks on Prosecutors ‘Really Disturbing’

    03/24/2023 8:46:10 AM PDT · by ChicagoConservative27 · 44 replies
    Breitbart ^ | 03-24-2023 | Pam Key
    CNN anchor Don Lemon said Friday on “CNN This Morning” that former President Donald Trump’s “racist” attacks on Manhattan District Attorney Alvin Bragg and New York Attorney General Letitia James were “really disturbing.” Partial transcript as follows: LEMON: This is really disturbing to me because he’s been doing this for a while, and I think we can’t talk enough about it, where he’s been calling these prosecutors who happen to be African-American, saying that they’re racist. He called Alvin Bragg a Soros-backed animal. He’s turning to his old tricks here of, you know, being racist or racist-adjacent, using that type...
  • CNN's Don Lemon Attacks 'Low Energy' Donald Trump After Ex-President's 145-Minute CPAC Speech

    03/06/2023 1:36:46 PM PST · by nickcarraway · 35 replies
    Radar Online ^ | Mar. 6 2023 | Whitney Vasquez
    Don Lemon didn't hold back when discussing Donald Trump after his speech at the Conservative Political Action Conference (CPAC). The embattled anchor addressed the ex-president on Monday's CNN This Morning, calling #44 "low energy" as he scrambles to stay ahead as the Republican frontrunner for the 2024 presidential run, has learned. Lemon, 56, spoke up about his feelings on Trump after political commentator John Avlon claimed the former commander-in-chief comes off as "someone who is not well" but is likely to win over his party. Discussing Trump's CPAC speech over the weekend, in which he spouted wild inaccuracies about...
  • For The First Time, Astronomers See Black Holes in Dwarf Galaxies About to Collide

    02/24/2023 11:12:57 AM PST · by Red Badger · 12 replies
    Science Alert ^ | February 24, 2023 | By DAVID NIELD
    Mirabilis, one of the pairs of dwarf galaxies detected. (NASA/CXC/University of Alabama/M. Micic et al./International Gemini Observatory/NOIRLab/NSF/AURA) For the first time, astronomers have spotted evidence of a pair of dwarf galaxies featuring giant black holes on a collision course with each other. In fact, they haven't just found just one pair – they've found two. The first pair of merging dwarf galaxies is in the cluster Abell 133, about 760 million light-years away from Earth, and the other is in the Abell 1758S galaxy cluster, which is about 3.2 billion light-years away. It's hoped that these sightings and further investigations...
  • Scientists Discover Unprecedented ‘Runaway’ Black Hole

    02/23/2023 8:40:40 AM PST · by Twotone · 14 replies
    The Daily Wire ^ | February 22, 2023 | Michael Whittaker
    Astronomers have sighted a supermassive black hole traveling through space that appears to have been ejected from its host galaxy. Researchers observing the dwarf galaxy designated RCP 28, roughly 7.5 billion light years away from our solar system, noticed an aberrant streak of light via the Hubble telescope. The “streak” appears to be a collection of stars being dragged out of their home galaxy by the immense gravitational force of a black hole. The “runaway” black hole is the first of its kind to be observed, and appears to have been ejected from its original galaxy. “We found a thin...
  • "Runaway'" black hole the size of 20 million suns found speeding through space with a trail of newborn stars behind it

    02/22/2023 2:45:33 AM PST · by zeestephen · 52 replies
    Live Science (via ^ | 21 February 2023 | Robert Lea
    The discovery offers the first observational evidence that supermassive black holes can be ejected from their home galaxies to roam interstellar space...The researchers discovered the runaway black hole as a bright streak of light while they were using the Hubble Space Telescope to observe the dwarf galaxy RCP 28, located about 7.5 billion light-years from Earth.
  • Don Lemon taking a 'holiday,' will return on air depending on 'where his head is at:' CNN insider

    02/19/2023 9:44:37 PM PST · by DeathBeforeDishonor1 · 33 replies
    Fox News ^ | 2/19/23 | Yael Halon, Brian Flood
    CNN anchor Don Lemon will be temporarily benched from the network on Monday following his controversial comments demeaning 2024 GOP presidential candidate Nikki Haley, according to a CNN insider. A CNN insider told Fox News Digital that Lemon has no plans to return to air earlier than Tuesday, adding that he is "taking the holiday" Monday and that his return to the show depends on "where his head is at." Lemon's boss, CNN CEO Chris Licht, scolded the host on Friday for the comment, calling it "upsetting, unacceptable and unfair" and a "huge distraction." Following intense backlash, Lemon tweeted out...
  • Nolte: Disgraced Don Lemon Is Melting Down … and It Is Glorious

    02/18/2023 8:23:45 AM PST · by Rummyfan · 25 replies
    Breitbart ^ | 17 feb 2023 | John Nolte
    The 56-year-old Lemon might not be terribly bright, but he’s also not dumb. He knows CNN This Morning is it. If this show doesn’t succeed, his next move is to HasbeenVille; is to Didn’t you used to be Don Lemon?; is to Twitter-ranting next to Keith Olbermann. And how is Lemon handling this pressure as he stares into the abyss of his career? Well, that’s the great part. He’s having a total meltdown right before our eyes, which is something I don’t want y’all to miss. Just a couple of weeks ago, we learned that Lemon was screaming at his...
  • 'DON HAS THE DAY OFF': Lemon Sidelined After Comments on Nikki Haley [VIDEO]

    02/17/2023 9:25:50 AM PST · by conservative98 · 31 replies
    Hannity ^ | 2/17/23 | Hannity staff
    What a disaster. The CNN morning show is in shambles as reports of in-fighting and Don Lemon’s self-destructive behavior find their way to the front page of every news site. Lemon’s Thursday remark about presidential candidate Nikki Haley must have rubbed some execs the wrong way because “Don has the day off” today.More likely —Don no-showed.He did attempt a Twitter apology, but it didn’t exactly take. From Breitbart News:Don has the day off…Yeah, I bet he does…CNN This Morning is doomed. Lemon is imploding, and Kaitlin Collins and Poppy Harlow have all the charm of a first wife. The...
  • A Monster Black Hole Just Just Flipped Its Entire Magnetic Field

    02/10/2023 11:49:54 AM PST · by Red Badger · 26 replies ^ | February 10, 2023 | Staff
    Black holes are powerful cosmic reactors. They supply the energy for quasars and other active galactic nuclei (AGNs). This is due to the interplay between matter and its enormous gravitational and magnetic forces. A black hole technically lacks a magnetic field, but the dense plasma surrounding it as an accretion disc does possess a magnetic field. As plasma spirals around a black hole, the charged particles inside it create an electrical current and magnetic field. The direction of plasma flow does not spontaneously vary, hence the magnetic field is likely rather stable. Imagine the researchers’ amazement when they discovered evidence...