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"Monsters & Dragons?" --Mapping the Milky Way's Unseen Far Side

"Monsters & Dragons?" --Mapping the Milky Way's Unseen Far Side
dailygalaxy.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from dailygalaxy.com Daily Mail and Mail on Sunday newspapers.

United States , Thomas Dame , Alberto Sanna , Mark Reid , Karl Menten , Maxwell Moe , Chen Xiaodian , Andreas Brunthaler , Radio Telescope Data Center , Macquarie University , National Science Foundation Very Long Baseline Array , Australia Macquarie University , Boston University , Harvard Smithsonian Center , Chinese Academy Of Sciences , National Radio Astronomy Observatory , Max Planck Institute For Radio Astronomy , University Of Arizona , Milky Way , Senior Radio Astronomer , Smithsonian Astrophysical , Holy Grail , Tom Bania , Scientific American , Long Baseline Array , National Science Foundation ,

Study Reveals Unobserved Structures, Impact of Black Hole on its Surroundings

Study Reveals Unobserved Structures, Impact of Black Hole on its Surroundings
Written by AZoQuantumApr 15 2021
The first-ever image of a black hole the supermassive black hole found at the core of the M87 galaxy was captured by an international collaboration of researchers in 2019 by using a worldwide collection of radio telescopes known as the Event Horizon Telescope (EHT).
Image Credit: EHT Collaboration, NASA/Swift, NASA/Fermi, Caltech-NuSTAR, CXC, CfA-VERITAS, MAGIC, and HESS.
The M87 galaxy is located nearly 55 million light-years from Earth. This long-awaited breakthrough was a significant scientific landmark. But any image at a single wavelength can offer only a partial picture of the whole phenomenon. ....

Noord Holland , Sera Markoff , Sophia Dagnello , National Science Foundation Very Long Baseline Array , Study Co , University Of Amsterdam , Mcgill University , National Astronomical Observatory Of Japan , Event Horizon Telescope , Reveals Unobserved Structures , Black Hole , Image Credit , Study Co Author , National Astronomical Observatory , Atacama Large , National Science Foundation , Very Long Baseline Array , Astrophysical Journal Letters , நூற்த் ஹாலண்ட் , செரா மார்க்ஆஃப் , தேசிய அறிவியல் அடித்தளம் மிகவும் நீண்டது அடிப்படை வரிசை , படிப்பு இணை , பல்கலைக்கழகம் ஆஃப் ஆம்ஸ்டர்டாம் , மகில் பல்கலைக்கழகம் , தேசிய வானியல் கண்காணிப்பு ஆஃப் ஜப்பான் , நிகழ்வு அடிவானம் தொலைநோக்கி ,

VLA Helps Astronomers Make New Discoveries About Star-Shredding Events - National Radio Astronomy Observatory

VLA Helps Astronomers Make New Discoveries About Star-Shredding Events
Credit: Sophia Dagnello, NRAO/AUI/NSF
Black holes that are millions or billions of times more massive than the Sun lurk at the cores of large galaxies and can have profound effects on their surroundings. One of the more exciting of those effects comes when a star ventures too close to the black hole and falls victim to that monster’s powerful gravitational pull. The star is shredded by tidal forces in a process colorfully termed
spaghettification.
When that happens, some of the star’s material is pulled into a disk that orbits the black hole, heating rapidly and launching jets of fast-moving particles outward in two opposite directions. This produces an outburst that can be observed with a variety of telescopes, including radio, visible, ultraviolet, and X-ray instruments. ....

United States , Israel General , Assaf Horesh , Robert Stein , Karlg Jansky , European Space Agency Xmm Newton , Humboldt University , Hebrew University Of Jerusalem , National Science Foundation Very Long Baseline Array , Sky Automated Survey For Supernovae , Tidal Disruption Events , National Science Foundation , Very Long Baseline Array , Nature Astronomy , Very Large Array , Zwicky Transient Facility , Palomar Observatory , Geherels Swift Observatory , European Space Agency , Cube Neutrino Observatory , Milky Way , German Electron Synchrotron , All Sky Automated Survey , Hebrew University , ஒன்றுபட்டது மாநிலங்களில் , இஸ்ரேல் ஜநரல் ,

A Blazar In The Early Universe

A Blazar In The Early Universe
spaceref.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from spaceref.com Daily Mail and Mail on Sunday newspapers.

Cristiana Spingola , Bill Saxton , National Radio Astronomy Observatory , Universities Inc , National Science Foundation Very Long Baseline Array , National Science Foundation , University Of Bologna , Very Long Baseline Array , Associated Universities , ர சி து ஸ்யாக்ஸ்‌டந் , தேசிய வானொலி வானியல் கண்காணிப்பு , பல்கலைக்கழகங்கள் இன்க் , தேசிய அறிவியல் அடித்தளம் மிகவும் நீண்டது அடிப்படை வரிசை , தேசிய அறிவியல் அடித்தளம் , பல்கலைக்கழகம் ஆஃப் போலோக்னா , மிகவும் நீண்டது அடிப்படை வரிசை , தொடர்புடையது பல்கலைக்கழகங்கள் ,

Galaxy PSO J0309+27 is the oldest blazar ever found, and it is hiding secrets

Now that your mind has been sufficiently blown, the universe was only 7 percent of its current age when the blazar looked like that. A billion years is nothing in cosmic terms. Blazars from this early in the universe are rare, but analyzing this blazar’s properties can illuminate why so few supposedly formed that far back in the depths of time.
“Little is known observationally [about the] time when the Universe was young and the first sources (including active galactic nuclei, AGNs) ionized their surrounding gas in the period called cosmic reionization,” said astronomer Cristiana Spignola, who led a study recently published in ....

Cristiana Spignola , National Science Foundation Very Long Baseline Array , National Science Foundation , Very Long Baseline Array , தேசிய அறிவியல் அடித்தளம் மிகவும் நீண்டது அடிப்படை வரிசை , தேசிய அறிவியல் அடித்தளம் , மிகவும் நீண்டது அடிப்படை வரிசை ,