News tagged with dust grains

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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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Tiny dust particles in the solar system

(Phys.org) —In our solar system, dust particles are abundant, created by asteroid collisions and by the evaporation of comets. These particles are the source of the zodiacal light, a diffuse glow in the ...

dateSep 09, 2013 in Space Exploration
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Snow falling around infant solar system

Astronomers using the new Atacama Large Millimeter/submillimeter Array (ALMA) telescope have taken the first-ever image of a snow line in an infant solar system. This frosty landmark is thought to play an ...

dateJul 18, 2013 in Astronomy
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Super-freezer supernova 1987A is a dust factory

(Phys.org) —Surprisingly low temperatures detected in the remnant of the supernova 1987A may explain the mystery of why space is so abundant with dust grains and molecules. The results will be presented ...

dateJul 05, 2013 in Astronomy
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Soccer balls in interstellar space

An international team of astronomers led by Masaaki Otsuka (Academia Sinica Institute of Astronomy and Astrophysics or ASIAA) has detected the C60 fullerene (molecules of carbon with 60 atoms arranged in pattern ...

dateMar 15, 2013 in Astronomy
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'A drop of ink on the luminous sky'

This part of the constellation of Sagittarius (The Archer) is one of the richest star fields in the whole sky—the Large Sagittarius Star Cloud. The huge number of stars that light up this region dramatically ...

dateFeb 13, 2013 in Astronomy
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Shocking news about dust grains

(Phys.org)—The ubiquitous clouds of gas and dust found between stars provide the natal material for new stars and planets. These clouds are also dynamic factories that produce many complex molecules thanks ...

dateJan 07, 2013 in Astronomy
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Interstellar dust and the sun

(Phys.org)—The space between stars is not empty. It contains copious but diffuse amounts of gas and dust; in fact about 5-10% of the total mass of our Milky Way galaxy is in interstellar gas. About 1% of ...

dateNov 12, 2012 in Astronomy
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