Globular clusters tell tale of star formation in nearby galaxy metropolis
Globular star clusters, dense bunches of hundreds of thousands of stars, contain some of the oldest surviving stars in the Universe. A new international study of globular clusters outside our Milky Way...
View ArticleStudy shows clumps and streams of dark matter in inner regions of the Milky Way
(PhysOrg.com) -- Using one of the most powerful supercomputers in the world to simulate the halo of dark matter that envelopes our galaxy, researchers found dense clumps and streams of the mysterious...
View ArticleScientists discover minimum mass for galaxies
(PhysOrg.com) -- By analyzing light from small, faint galaxies that orbit the Milky Way, UC Irvine scientists believe they have discovered the minimum mass for galaxies in the universe – 10 million...
View ArticleAstronomers Discover Most Dark Matter-Dominated Galaxy in Universe
(PhysOrg.com) -- A team led by a Yale University astronomer has discovered the least luminous, most dark matter-filled galaxy known to exist.
View ArticleNew stars from old gas surprise astronomers
(PhysOrg.com) -- Evidence of star birth within a cloud of primordial gas has given astronomers a glimpse of a previously unknown mode of galaxy formation. The cloud, known as the Leo Ring, appears to...
View ArticleHubble provides new evidence for dark matter around small galaxies
Peering into the tumultuous heart of the nearby Perseus galaxy cluster, Hubble discovered a large population of small galaxies that have remained intact while larger galaxies around them are being...
View ArticleStarbursts in Dwarf Galaxies are a Global Affair
(PhysOrg.com) -- Bursts of star making in a galaxy have been compared to a Fourth of July fireworks display: They occur at a fast and furious pace, lighting up a region for a short time before winking...
View ArticleJurassic Space: Ancient Galaxies Come Together After Billions of Years
(PhysOrg.com) -- Imagine finding a living dinosaur in your backyard. Astronomers have found the astronomical equivalent of prehistoric life in our intergalactic backyard: a group of small, ancient...
View ArticleMilky way sidelined in galactic tug of war
(PhysOrg.com) -- The Magellanic Stream is an arc of hydrogen gas spanning more than 100 degrees of the sky as it trails behind the Milky Way's neighbor galaxies, the Large and Small Magellanic Clouds....
View ArticleNew discovery sheds light on the ecosystem of young galaxies
(PhysOrg.com) -- A team of scientists, led by Michael Rauch from the Carnegie Observatories, has discovered a distant galaxy that may help elucidate two fundamental questions of galaxy formation: How...
View ArticleSmall distant galaxies host supermassive black holes
(PhysOrg.com) -- Using the Hubble Space Telescope to probe the distant universe, astronomers have found supermassive black holes growing in surprisingly small galaxies. The findings suggest that...
View ArticleIs M85 missing a black hole?
The conventional wisdom of galaxies is that they should have a central massive black hole (CMBH). The presence of such objects has been confirmed in our own galaxy as well as numerous other galaxies,...
View ArticleDark matter mystery deepens
(PhysOrg.com) -- Like all galaxies, our Milky Way is home to a strange substance called dark matter. Dark matter is invisible, betraying its presence only through its gravitational pull. Without dark...
View ArticleAndromeda dwarf galaxies help unravel the mysteries of dark matter
Yep. Its that time of year again. Time to enjoy the Andromeda Galaxy at almost every observing opportunity. But now, rather than just look at the nearest spiral to the Milky Way and sneaking a peak at...
View ArticleHubble uncovers tiny galaxies bursting with starbirth in early Universe
(PhysOrg.com) -- Using its infrared vision to peer nine billion years back in time, the NASA/ESA Hubble Space Telescope has uncovered an extraordinary population of tiny, young galaxies that are...
View ArticlePhysicists set strongest limit on mass of dark matter
Brown University physicists have set the strongest limit for the mass of dark matter, the mysterious particles believed to make up nearly a quarter of the universe. The researchers report in Physical...
View ArticleUltra-compact dwarf galaxies are bright star clusters
(PhysOrg.com) -- Astronomy & Astrophysics is publishing a new statistical study of the so-called 'ultra-compact dwarf galaxies' (UCDs), which are still mysterious objects. A team of astronomers has...
View ArticleFermi observations of dwarf galaxies provide new insights on dark matter
(PhysOrg.com) -- There's more to the cosmos than meets the eye. About 80 percent of the matter in the universe is invisible to telescopes, yet its gravitational influence is manifest in the orbital...
View ArticleResearcher on cloud nine over universe discovery
(Phys.org) -- The mysteries of the evolution of the universe since the Big Bang are one step closer to being solved, thanks to research from The Australian National University.
View ArticleHubble telescope unmasks ghost galaxies
(Phys.org) -- Astronomers have used Hubble Space Telescope to study some of the smallest and faintest galaxies in our cosmic neighbourhood. These galaxies are fossils of the early Universe: they have...
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