News tagged with dust grains

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How do planets form?

We have a pretty good idea of how planets form around stars. We know that dust is formed from the remnants of supernovae, that protoplanetary disks of dust form around young stars, and that dust grains can clump together ...

dateSep 09, 2014 in Astronomy
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Supernova's super dust factory imaged with ALMA

Galaxies can be remarkably dusty places and supernovas are thought to be a primary source of that dust, especially in the early Universe. Direct evidence of a supernova's dust-making capabilities, however, has been slim and ...

dateJan 06, 2014 in Astronomy
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Astronomers complete cosmic dust census

An international team of astronomers has completed a benchmark study of more than 300 galaxies, producing the largest census of dust in the local Universe, the Herschel Reference Survey. Led by Dr Luca Cortese from Swinburne ...

dateMar 18, 2014 in Astronomy
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Measuring magnetic fields

(Phys.org) -- Polarized light is a familiar phenomenon, as people who prefer polarized sunglasses can testify. The electric field in a beam of light can vibrate either left-right or up-down, and the scattering or reflection ...

dateApr 09, 2012 in Astronomy
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Sifting through dust near Orion's Belt

the surface grime that hides the beauty of an object. But this new image of Messier 78 and surroundings, which reveals the submillimetre-wavelength radiation from dust grains in space, shows that dust can be dazzling. Dust ...

dateMay 02, 2012 in Astronomy
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Pulsating dust cloud dynamics modeled

The birth of stars is an event that eludes intuitive understanding. It is the collapse of dense molecular clouds under their own weight that offers the best sites of star formation. Now, Pralay Kumar Karmakar from the Department ...

dateSep 12, 2013 in Astronomy
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