News tagged with light wavelength

Interstellar dust and the sun

(—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 the mass of this ...

dateNov 12, 2012 in Astronomy
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Young stars flicker amidst clouds of gas and dust

( -- Astronomers have spotted young stars in the Orion nebula changing right before their eyes, thanks to the European Space Agency's Herschel Space Observatory and NASA's Spitzer Space Telescope. The colorful ...

dateFeb 29, 2012 in Astronomy
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A cannibalistic galaxy with a powerful heart

Observations by the two of the European Space Agency's space observatories have provided a multi-wavelength view of the mysterious galaxy Centaurus A. The new images, from the Herschel Space Observatory and the XMM-Newton ...

dateApr 04, 2012 in Astronomy
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Shedding light on Anderson localization

Waves do not spread in a disordered medium if there is less than one wavelength between two defects. Physicists from the universities of Zurich and Constance have now proved Nobel Prize winner Philip W. Anderson's theory ...

dateDec 20, 2012 in Optics & Photonics
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