News tagged with galaxy formation

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Recycling galaxies caught in the act

(PhysOrg.com) -- When astronomers add up all the gas and dust contained in ordinary galaxies like our own Milky Way, they stumble on a puzzle: There is not nearly enough matter for stars to be born at the ...

dateMar 30, 2012 in Astronomy
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Data mining deep space

Bahram Mobasher, a professor of physics and astronomy at the University of California, Riverside, has received a two-year $200,000 grant from NASA to compile into a data bank all the imaging observations of ...

dateMar 29, 2012 in Space Exploration
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Mapping galaxy formation in dual mode

A team of astronomers led by David Sobral (Leiden Observatory and Royal Observatory of Edinburgh) has explored the synergies between the Subaru Telescope and the United Kingdom Infra-Red Telescope (UKIRT) ...

dateMar 28, 2012 in Astronomy
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Stars made from galactic recycling material

(PhysOrg.com) -- Ordinary galaxies such as our own Milky Way contain a plethora of gas and dust. Nevertheless, there is not nearly enough matter to explain how galaxies produce new stars at the observed rates ...

dateMar 15, 2012 in Astronomy
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Citizen scientists reveal a bubbly Milky Way

(PhysOrg.com) -- A team of volunteers has pored over observations from NASA's Spitzer Space Telescope and discovered more than 5,000 "bubbles" in the disk of our Milky Way galaxy. Young, hot stars blow these ...

dateMar 07, 2012 in Astronomy
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Dark matter core defies explanation

(PhysOrg.com) -- Astronomers using data from NASA's Hubble Telescope have observed what appears to be a clump of dark matter left behind from a wreck between massive clusters of galaxies. The result could ...

dateMar 02, 2012 in Astronomy
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Transforming galaxies

(PhysOrg.com) -- Many of the Universe's galaxies are like our own, displaying beautiful spiral arms wrapping around a bright nucleus. Examples in this stunning image, taken with the Wide Field Camera 3 on ...

dateFeb 13, 2012 in Astronomy
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Black holes and star formation

(PhysOrg.com) -- It has long been recognized that galaxy mergers or even close interactions can play a vital role in shaping the morphology of galaxies. One way they can do so, it is thought, is by triggering ...

dateFeb 09, 2012 in Astronomy
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Do black holes help stars form?

(PhysOrg.com) -- The center of just about every galaxy is thought to host a black hole, some with masses of thousands of millions of Suns and consequently strong gravitational pulls that disrupt material around ...

dateFeb 03, 2012 in Astronomy
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