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Killer Algae a Key Player in Mass Extinctions
Today, just about anywhere there is water, there can be toxic algae. The microscopic plants usually exist in small concentrations, but a sudden warming in the water or an injection of dust or sediment...
Earth Sciences |
Read moreThe Milky Way's tiny but tough galactic neighbor
At the relatively close distance of about 1.6 million light-years, Barnard's Galaxy is a member of the Local Group (ESO 11/96), the archipelago of galaxies that includes our home, the Milky Way....
Physics and Astronomy | Read moreHerschel views deep-space pearls on a cosmic string
On 3 September, Herschel aimed its telescope at a reservoir of cold gas in the constellation of the Southern Cross near the Galactic Plane. As the telescope scanned the sky, the spacecraft’s Spectral ...
Physics and Astronomy | Read moreThe Trilogy is Complete — GigaGalaxy Zoom Phase 3
The latest image follows on from views, released over the last two weeks, of the sky as seen with the unaided eye and through an amateur telescope. This third instalment provides another breathtaking ...
Physics and Astronomy | Read moreMuon catalyzed fusion for energy production
Teiichiro MatsuzakiDirectorRIKEN Facility Office at Rutherford Appleton Laboratory (RAL)RIKEN Nishina Center for Accelerator-Based ScienceThe nuclear fusion that takes place in the...
Power and Electrical Engineering | Read moreSwift Makes Best-ever Ultraviolet Portrait of Andromeda Galaxy
"Swift reveals about 20,000 ultraviolet sources in M31, especially hot, young stars and dense star clusters," said Stefan Immler, a research scientist on the Swift team at NASA's Goddar...
Physics and Astronomy | Read moreSophisticated telescope camera debuts with peek at nest of black holes
A team led by astronomy professor Stephen Eikenberry late last week captured the first images of the cosmos ever made with a UF-designed and built camera/spectrometer affixed to the Gemini South teles...
Earth Sciences | Read moreMagnetic Fields Play Larger Role in Star Formation than Previously Thought
A molecular cloud is a cloud of gas that acts as a stellar nursery. When a molecular cloud collapses, only a small fraction of the cloud's material forms stars. Scientists aren't sure why. ...
Physics and Astronomy | Read moreTrifid Triple Treat
Smouldering several thousand light-years away in the constellation of Sagittarius (the Archer), the Trifid Nebula presents a compelling portrait of the early stages of a star’s life, from gestation to...
Physics and Astronomy | Read moreUnveiling the true face of a gigantic star
For the first time they could show how the gas is moving in different areas over the surface of a distant star. This was made possible by combining three 1.8 metre telescopes as an interferometer, giv...
Physics and Astronomy | Read moreTiny diamonds on Santa Rosa Island give evidence of cosmic impact
The research, published this week in the Proceedings of the National Academy of Sciences (PNAS), was led by James Kennett, professor emeritus at UC Santa Barbara, and Douglas J. Kennett, first author,...
Earth Sciences | Read moreCalifornia's Channel Islands Hold Evidence of Clovis-age Comets
In a paper appearing online ahead of regular publication in the Proceedings of the National Academy of Sciences, University of Oregon archaeologist Douglas J. Kennett and colleagues from nine institut...
Earth Sciences | Read moreCalifornia's Channel Islands Hold Evidence of Clovis-age Comets
In a paper appearing online ahead of regular publication in the Proceedings of the National Academy of Sciences, University of Oregon archaeologist Douglas J. Kennett and colleagues from nine institut...
Earth Sciences | Read moreApollo 11 Moon Rocks Still Crucial 40 Years Later
And he credits another WUSTL professor for the fact that the astronauts even collected the moon rocks in the first place.Randy L. Korotev, Ph.D., a research professor in the Department of Eart...
Physics and Astronomy | Read moreAn Eagle of Cosmic Proportions
Located 7000 light-years away, towards the constellation of Serpens (the Snake), the Eagle Nebula is a dazzling stellar nursery, a region of gas and dust where young stars are currently being formed a...
Physics and Astronomy | Read more
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