News tagged with small galaxies

Dating our galaxy's dormant volcano

(Phys.org) —A dormant volcano—a supermassive black hole—lies at the heart of our galaxy. Fresh evidence suggests that it last erupted two million years ago.

dateSep 23, 2013 in Astronomy
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Hubble finds source of Magellanic Stream

(Phys.org) —Astronomers using the NASA/ESA Hubble Space Telescope have solved the 40-year-old mystery of the origin of the Magellanic Stream, a long ribbon of gas stretching nearly halfway around the Milky ...

dateAug 08, 2013 in Astronomy
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An image gallery gift from Swift satellite

(Phys.org)—Of the three telescopes carried by NASA's Swift satellite, only one captures cosmic light at energies similar to those seen by the human eye. Although small by the standards of ground-based observatories, ...

dateDec 28, 2012 in Astronomy
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How white dwarfs mimic black holes

(Phys.org)—A remarkable observation by astronomers from the University of Southampton has been published in one of the world's foremost astrophysics research journals.

dateDec 17, 2012 in Astronomy
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A surprisingly bright superbubble

(Phys.org)—This composite image shows a superbubble in the Large Magellanic Cloud (LMC), a small satellite galaxy of the Milky Way located about 160,000 light years from Earth.

dateAug 30, 2012 in Astronomy
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Most quasars live on snacks, not large meals

(Phys.org) -- Black holes in the early universe needed a few snacks rather than one giant meal to fuel their quasars and help them grow, according to observations from NASA's Spitzer and Hubble space telescopes.

dateJun 20, 2012 in Astronomy
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Spitzer finds solid buckyballs in space

(PhysOrg.com) -- Astronomers using data from NASA's Spitzer Space Telescope have, for the first time, discovered buckyballs in a solid form in space. Prior to this discovery, the microscopic carbon spheres ...

dateFeb 22, 2012 in Astronomy
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