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Unmasking the Stars of the Magellanic Stream After 50-Year Search

Artist’s rendition of the Magellanic Stellar Stream. The Milky Way’s nearest neighboring galaxies the Small and Large Magellanic Clouds ....

Milky Way , Magallanesy Antáica Chilena , Vedant Chandra , Melissa Weiss , Dennis Zaritsky , Jiwon Jesse Han , Las Campanas , Phillipa Cargile , Charlie Conroy , Rohan Naidu , Nelson Caldwell , Benjamind Johnson , Rohanp Naidu , European Space Agency Gaia , Galactic Research , Magellanic Stellar Stream , Magellanic Stellar , Large Magellanic Clouds , Magellanic Stream , Southern Hemisphere , Magellanic Cloud , Milky Way Galaxy , Astrophysical Journal , Magellanic Clouds , Small Magellanic Clouds , Solar System ,

Five UArizona researchers named AAAS Fellows

From using microbes to combat allergies to turning insects into food, the newest University of Arizona AAAS Fellows represent a broad range of expertise. ....

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Mysterious 'blue blobs' reveal new kind of star system

Mysterious 'blue blobs' reveal new kind of star system
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United States , Milky Way , Magallanesy Antáica Chilena , New Mexico , Giacomo Beccari , Paul Bennet , Giovanni Cresci , Denija Crnojevic , Michele Bellazzini , Jackson Fuson , Elisa Toloba , Giuseppina Battaglia , Kristine Spekkens , Marthap Haynes , Michael Jones , Ricardor Munoz , Ananthan Karunakaran , Elizabethak Adams , Michaelg Jones , Nelson Caldwell , Puragra Guhathakurta , Johnl Inoue , Laura Magrini , Dennis Zaritsky , Burcin Mutlu Pakdil , Jay Strader ,

Map of Milky Way's halo sheds light on dark matter 'ocean'

Astronomers have released a new map of the outermost region of our galaxy.
Known as a galactic halo, this area lies outside the swirling spiral arms that make up the Milky Way’s recognizable central disk, and is sparsely populated with stars.
Though the halo may appear mostly empty, scientists predict it contains a massive reservoir of dark matter, an invisible material thought to make up the bulk of all mass in the universe.
The new map, which appears as part of a paper in
Nature, reveals how a small galaxy called the Large Magellanic Cloud so-named because it is the larger of two dwarf galaxies orbiting the Milky Way has sailed through the galactic halo like a ship through water, its gravity disturbing the halo and creating a wake in the stars behind it as it orbits the Milky Way some 130,000 light-years from Earth. ....

Dennis Zaritsky , Gurtina Besla , Rohan Naidu , El Gato , N Garavito Camargog Besla , Charlie Conroy , Harvard University , European Space Agency , University Of Arizona Steward Observatory , University Of Arizona High Performance Computing Facilities , National Science Foundation , Milky Way , Large Magellanic Cloud , Magellanic Clouds , High Performance Computing Facilities , Milky Way Type , Steward Observatory , ரோஹன் நாயுடு , எல் கட்டோ , சார்லி கான்ராய் , ஹார்வர்ட் பல்கலைக்கழகம் , பல்கலைக்கழகம் ஆஃப் அரிசோனா பணிப்பெண் கண்காணிப்பு , தேசிய அறிவியல் அடித்தளம் , பால் வழி , பால் வழி வகை , பணிப்பெண் கண்காணிப்பு ,

Astrophysicists Help Chart Dark Matter's Invisible 'Ocean'

Astrophysicists Help Chart Dark Matter s Invisible Ocean
A wake of stars, created by a small galaxy set to collide with the Milky Way, is the highlight of a new map of the Milky Way s outer reaches. The observations confirm predictions made by a group of UArizona astronomers whose computer simulations test theories explaining the mysterious nature of dark matter.
By Daniel Stolte,
University Communications
April 21, 2021
Images of the Milky Way and the Large Magellanic Cloud (LMC) are overlaid on a map of the surrounding galactic halo. The smaller structure is a wake created by the LMC’s motion through this region. The larger light-blue feature corresponds to a high density of stars observed in the northern hemisphere of our galaxy. ....

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