News tagged with multiple star systems
Brown Dwarfs Don't Hang Out With Stars
Jan 05, 2009 |
4.4 / 5 (5) |
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(PhysOrg.com) -- Brown dwarfs, objects that are less massive than stars but larger than planets, just got more elusive, based on a study of 233 nearby multiple-star systems by NASA's Hubble Space Telescope. ...
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Bacterial gut symbionts are tightly linked with the evolution of herbivory in ants
8 hours ago |
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Broadly speaking, ants have two different feeding strategies. A large proportion of all species are "carnivorous," meaning that they are generalist predators feeding on other small animals or scavenging on ...
Childhood lead exposure causes permanent brain damage
15 hours ago |
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A study using functional magnetic resonance imaging (fMRI) to evaluate brain function revealed that adults who were exposed to lead as children incur permanent brain injury. The results were presented today at the annual ...
NREL Breaks Down Walls for Biofuels
Nov 30, 2009 |
3.7 / 5 (3) |
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(PhysOrg.com) -- Researchers at the National Renewable Energy Laboratory (NREL) and ethanol producers are racing to come up with ways to make ethanol from cellulosic biomass that are cheaper and easier to ...
Black hole caught zapping galaxy into existence?
Nov 30, 2009 |
4.8 / 5 (25) |
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(PhysOrg.com) -- Which come first, the supermassive black holes that frantically devour matter or the enormous galaxies where they reside? A brand new scenario has emerged from a recent set of outstanding ...
Seeing family for the holidays? Scientists discover how the stress might kill you
Nov 30, 2009 |
5 / 5 (2) |
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If you ever thought the stress of seeing your extended family over the holidays was slowly killing you -- bad news: a new research report in the December 2009 print issue of the Journal of Leukocyte Biology shows that you mi ...
Fermi Telescope Peers Deep into Microquasar (w/ Video)
Nov 27, 2009 |
4.8 / 5 (17) |
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(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has made the first unambiguous detection of high-energy gamma-rays from an enigmatic binary system known as Cygnus X-3. The system pairs a hot, massive ...
First-ever blueprint of a minimal cell is more complex than expected
Nov 26, 2009 |
4.9 / 5 (19) |
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What are the bare essentials of life, the indispensable ingredients required to produce a cell that can survive on its own? Can we describe the molecular anatomy of a cell, and understand how an entire organism ...
Cosmic 'Dig' Reveals Vestiges of the Milky Way's Building Blocks
Nov 25, 2009 |
4.7 / 5 (21) |
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(PhysOrg.com) -- Peering through the thick dust clouds of our galaxy's "bulge" (the myriads of stars surrounding its center), a team of astronomers has unveiled an unusual mix of stars in the stellar grouping ...
Infrared Image of Circumstellar Disk Illuminates Massive Star Formation Process
Nov 24, 2009 |
4.6 / 5 (5) |
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(PhysOrg.com) -- A team of astronomers from Ibaraki University, Japan Aerospace Exploration Agency, Kanagawa University, University of Tokyo, Academica Sinica, and National Astronomical Observatory of Japan ...
Early protein processes crucial to formation and layering of myelin membrane
Nov 24, 2009 |
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New findings from an international team of researchers probing the nerve-insulating myelin sheath were bolstered by the work of Boston College biologists, who used x-rays to uncover how mutations affect the structure of myelin, ...
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