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    Archive

    For the Cosmology category

    A Crisis in Cosmology – W. M. Keck Observatory

    By Earl on 24 Oct 2019 No Comments

    A Crisis in Cosmology – W. M. Keck Observatory

    Maunakea, Hawaii – A group of astronomers led by University of California, Davis has obtained new data that suggest the universe is expanding more rapidly than previously thought.

    The study comes on the heels of a hot debate over just how fast the universe is ballooning; measurements thus far are in disagreement.

    The team’s new measurement of the Hubble Constant, or the expansion rate of the universe, involved a different method. They used NASA’s Hubble Space Telescope (HST) in combination with W. M. Keck Observatory’s Adaptive Optics (AO) system to observe three gravitationally-lensed systems. This is the first time ground-based AO technology has been used to obtain the Hubble Constant

    Source: keckobservatory.org/hubble-constant/

    First Glimpses of Interstellar Comet Suggest It’s Not So Different

    By Earl on 17 Sep 2019 No Comments

    First Glimpses of Interstellar Comet Suggest It’s Not So Different

    Early observations of Comet C/2019 Q4, which will likely be declared the first confirmed interstellar comet, suggest that its composition is pretty similar to that of comets found in our own solar system.

    Source: www.space.com/interstellar-comet-initial-spectrum-looks-normal.html

    Physicists Just Released Step-by-Step Instructions for Building a Wormhole

    By Earl on 02 Sep 2019 No Comments

    Physicists Just Released Step-by-Step Instructions for Building a Wormhole

    All you need are two black holes and a few cosmic strings and voila! Instant wormhole.

    Source: www.space.com/building-a-wormhole-with-cosmic-strings.html

    Astrophysicists Link Brightening of Pulsar Wind Nebula to Pulsar Spin-down Rate Transition—Chinese Academy of Sciences

    By Earl on 27 Aug 2019 No Comments

    Astrophysicists Link Brightening of Pulsar Wind Nebula to Pulsar Spin-down Rate Transition—Chinese Academy of Sciences

    Astrophysicists have discovered that the pulsar wind nebula (PWN) surrounding the famous pulsar B0540-69 brightened gradually after the pulsar experienced a sudden spin-down rate transition (SRT). This discovery, made by a group of astrophysicists led by GE Mingyu and LU Fangjun at the Institute of High Energy Physics of the Chinese Academy of Sciences, provides important clues to the spin-down mechanism and the magnetic field structure of the pulsar, as well as the physical properties of the PWN. The results were published in Nature Astronomy.

    Source: english.cas.cn/newsroom/news/201908/t20190822_215572.shtml

    Black Hole Holograms

    By Earl on 27 Aug 2019 No Comments

    Black Hole Holograms

    A research team from Osaka University, Nihon University and Chuo University has proposed a novel theoretical framework whose experiment could be performed in a laboratory to better understand the physics of black holes. This project can shed light on the fundamental laws that govern the cosmos on both unimaginably small and vastly large scales.

    Source: www.astrowatch.net/2019/08/black-hole-holograms.html

    Astronomers just quintupled the number of known repeating fast radio bursts

    By Earl on 16 Aug 2019 No Comments

     

    Astronomers just quintupled the number of known repeating fast radio bursts

    A Canadian telescope spotted eight more repeating fast radio bursts. What causes these cryptic flashes of radio waves from deep space remains unclear.

    Source: www.sciencenews.org/article/astronomers-just-quintupled-number-known-repeating-fast-radio-bursts?tgt=nr

    The first AI capable of simulating the universe works so well it’s scary

    By Earl on 05 Jul 2019 No Comments

    The first AI capable of simulating the universe works so well it’s scary

    A team of researchers recently pioneered the world’s first AI universe simulator. It’s fast; it’s accurate; and its creators are baffled by its ability to understand things about the cosmos that it shouldn’t. Scientists have used computer simulations to try and digitally reverse-engineer the origin and evolution of our universe for decades. The best traditional …

    Source: thenextweb.com/artificial-intelligence/2019/06/26/the-first-ai-capable-of-simulating-the-universe-works-so-well-its-scary/

    Fast Radio Burst Pinpointed to Distant Galaxy

    By Earl on 04 Jul 2019 No Comments

    Fast Radio Burst Pinpointed to Distant Galaxy

    In a rare feat, astronomers have pinpointed the place of origin of a fast radio burst, with a surprising outcome.

    Source: www.caltech.edu/about/news/fast-radio-burst-pinpointed-distant-galaxy

    100 years after, Astronomers carry out the Einstein’s Eclipse experiment at La Silla Observatory in Chile

    By Earl on 16 Jun 2019 No Comments

     

    100 years after, Astronomers carry out the Einstein’s Eclipse experiment at La Silla Observatory in Chile

    To celebrate the 100th anniversary of the historical experiment which verified Einstein’s theory of General Relativity, a team of astronomers will measure again the deflection of starlight in the vicinity of the Sun’s gravitational field during the July 2 2019 total solar eclipse in Chile !

    Source: astrospace-page.blogspot.com/2019/06/einsteins-eclipse-experiment-with-TAROT-for-the-2019-total-solar-eclipse-from-La-Silla-in-Chile.html?m=1

    What if Dark Matter is Lighter? Report Calls for Wider Hunt

    By Earl on 14 Jun 2019 No Comments

     

    What if Dark Matter is Lighter? Report Calls for Wider Hunt

    Researchers are designing nimble new experiments to look for dark matter in previously unexplored ranges of particle mass and energy.

    Source: newscenter.lbl.gov/2019/06/10/small-dark-matter-experiments-broaden-hunt/

    We May Be Floating in the Middle of the Observable Universe’s Largest Void

    By Earl on 09 Jun 2019 No Comments

     

    We May Be Floating in the Middle of the Observable Universe’s Largest Void

    There’s a lot of stuff here on Earth. Then again, everything is relative. In the grandest of the grand scheme of things — like, a universe-wide scheme — …

    Source: curiosity.com/topics/we-may-be-floating-in-the-middle-of-the-observable-universes-largest-void-curiosity/

    Big black holes can settle in the outskirts of small galaxies

    By Earl on 27 May 2019 No Comments

     

    Big black holes can settle in the outskirts of small galaxies

    Astronomers have found dozens of surprisingly massive black holes far from the centers of their host dwarf galaxies.

    Source: www.sciencenews.org/article/big-black-holes-can-settle-outskirts-small-galaxies

    New Clues About How Ancient Galaxies Lit up the Universe

    By Earl on 09 May 2019 No Comments

     

    New Clues About How Ancient Galaxies Lit up the Universe

    An ambitious new study using NASA’s Spitzer Space Telescope shows that ancient galaxies were brighter than scientists anticipated and that their light may have changed the universe.

    Source: www.jpl.nasa.gov/news/news.php?feature=7397

    The Mystery of How Fast Our Universe Is Expanding Grows with New Hubble Data

    By Earl on 28 Apr 2019 No Comments

     

    The Mystery of How Fast Our Universe Is Expanding Grows with New Hubble Data

    New measurements from NASA’s Hubble Space Telescope confirm that the universe is expanding about 9 percent faster than expected based on its trajectory seen shortly after the Big Bang, astronomers say.

    Source: www.astrowatch.net/2019/04/the-mystery-of-how-fast-our-universe-is.html?m=1

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