News tagged with clumps

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A ghostly 'ladder' in Saturn's F ring

Saturn's F ring is certainly a curious structure. Orbiting the giant planet 82,000 kilometers above its equatorial cloud tops, the F ring is a ropy, twisted belt of bright ice particles anywhere from 30-500 ...

dateJun 03, 2013 in Space Exploration
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Scientists sound acid alarm for plankton

The microscopic organisms on which almost all life in the oceans depends could be even more vulnerable to increasingly acidic waters than scientists realised, according to a new study.

dateMay 15, 2012 in Environment
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Sorting out structure of a Parkinson's protein

Clumps of proteins that accumulate in brain cells are a hallmark of neurological diseases such as dementia, Parkinson's disease and Alzheimer's disease. Over the past several years, there has been much controversy ...

dateApr 01, 2013 in Biochemistry
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A fresh take on the Horsehead Nebula

(Phys.org) —To celebrate its 23rd year in orbit, the NASA/ESA Hubble Space Telescope has released a stunning new image of one of the most distinctive objects in our skies: the Horsehead Nebula. This image ...

dateApr 19, 2013 in Astronomy
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Fragments falling onto the Sun

(Phys.org) —Stars form as gravity coalesces the gas and dust in an interstellar cloud until the material develops clumps dense enough to become stars. Even after a star begins to burn its nuclear fuel it ...

dateJul 01, 2013 in Astronomy
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The anatomy of a stellar outflow

(Phys.org) -- Astronomers used to think that star formation simply involved the gradual coalescence of material under the influence of gravity. No longer. Making a new star is a complex process, among other ...

dateMay 28, 2012 in Astronomy
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Hidden galactic nuclei

(Phys.org) -- 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 ...

dateAug 10, 2012 in Astronomy
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How do green algae react to carbon nanotubes?

Nanoparticles such as carbon nanotubes (CNT), which are found in an ever-increasing number of products, are ending up more and more frequently in our surroundings. If and how they affect aquatic ecosystems ...

dateNov 04, 2011 in Nanomaterials
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Modeling Jupiter and Saturn's possible origins

New theoretical modeling by Carnegie's Alan Boss provides clues to how the gas giant planets in our solar system—Jupiter and Saturn—might have formed and evolved. His work was published recently by the ...

dateMar 05, 2013 in Astronomy
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