News tagged with dust emission

Planck: Gravitational waves remain elusive

Despite earlier reports of a possible detection, a joint analysis of data from ESA's Planck satellite and the ground-based BICEP2 and Keck Array experiments has found no conclusive evidence of primordial gravitational waves.

dateJan 30, 2015 in Astronomy
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The Energy Sources of Ultraluminous Galaxies

( -- Ultraluminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns; for comparison, the Milky Way galaxy has a typical (and much more modest) luminosity of only about ...

dateNov 27, 2009 in Astronomy
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Shocks in the Cygnus Loop supernovae remnant

( —Supernova remnants (SNRs) play a vital role in the lifecycle of dust in the interstellar medium. As shockwaves from supernovae sweep up interstellar material, they heat the gas and dust, and destroy a significant ...

dateJun 27, 2014 in Astronomy
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First 'bone' of the Milky Way identified

(—Our Milky Way is a spiral galaxy—a pinwheel-shaped collection of stars, gas and dust. It has a central bar and two major spiral arms that wrap around its disk. Since we view the Milky Way from the inside, its ...

dateJan 08, 2013 in Astronomy
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Hidden galactic nuclei

( -- At the core of most galaxies including our own Milky Way is a massive black hole. Material falling into the environment of the black hole heats up, and can radiate dramatically, sometimes also powering the ejection ...

dateAug 10, 2012 in Astronomy
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ALMA turns its eyes to Centaurus A

( -- A new image of the galaxy Centaurus A, made with the Atacama Large Millimeter/submillimeter Array (ALMA), shows how the observatory allows astronomers to see through the opaque dust lanes that obscure the galaxy's ...

dateMay 31, 2012 in Astronomy
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