News tagged with astrophysics
Ultra-Powerful Laser Reproduces How Star's Jets Travel through Interstellar Space
Nov 20, 2009 |
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(PhysOrg.com) -- A multi-trillion-watt laser at the University of Rochester has simulated a stellar jet -- an outpouring of matter from a fledgling star -- with unprecedented realism.
Black Holes Go 'Mano a Mano'
Oct 06, 2009 |
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(PhysOrg.com) -- Two black holes in galaxy NGC 6240 are only 3,000 light years apart -- and getting closer.
Researchers explain the activity of black holes at the centre of galaxy clusters
Sep 04, 2009 |
3.9 / 5 (15) |
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(PhysOrg.com) -- Astronomers at the University of Bonn have clarified the connection between black holes at the centre of galaxy clusters and surrounding gas, which serves them as "food". The scientists have ...
Has PAMELA Already Seen Dark Matter?
Aug 25, 2009 |
3.7 / 5 (15) |
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(PhysOrg.com) -- Back in 2006, PAMELA (a Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics) was launched with the purpose of detecting cosmic radiation and looking for clues pointing ...
Variability of type 1a supernovae has implications for dark energy studies
Aug 12, 2009 |
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(PhysOrg.com) -- The stellar explosions known as type 1a supernovae have long been used as "standard candles," their uniform brightness giving astronomers a way to measure cosmic distances and the expansion ...
Particles as tracers for the most massive explosions in the Milky Way
Aug 11, 2009 |
4.8 / 5 (10) |
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Astronomers recently observed a mysterious flux of particles in the universe, and the hope was born that this may be the first observation of the remnants of "dark matter". But scientists from the University ...
Turbulence May Promote the Birth of Massive Stars
Feb 23, 2009 |
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(PhysOrg.com) -- On long, dark winter nights, the constellation of Orion the Hunter dominates the sky. Within the Hunter's sword, the Orion Nebula swaddles a cluster of newborn stars called the Trapezium. These stars are ...
Laser-sculpted optical devices for future giant telescopes
Feb 05, 2009 |
3.5 / 5 (2) |
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Future telescopes, with mirrors half the size of a football field, will need special components to deal with the light they collect. Astronomers are turning to photonic devices that guide and manipulate light inside specially-designed ...
Researchers could herald a new era in fundamental physics
Feb 03, 2009 |
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Cardiff University researchers who are part of a British-German team searching the depths of space to study gravitational waves, may have stumbled on one of the most important discoveries in physics according to an American ...
Riding -- and reading -- the Earth tide
Space & Earth / Earth Sciences
Jan 29, 2009 |
4.2 / 5 (5) |
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(PhysOrg.com) -- Once a day, Miaki Ishii rides the Earth tide, rising slowly — along with her desk, chair, and entire office — 20 to 30 centimeters before sinking back again.
Transit Search Finds Super-Neptune
Jan 20, 2009 |
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(PhysOrg.com) -- Astronomers at the Harvard-Smithsonian Center for Astrophysics have discovered a planet somewhat larger and more massive than Neptune orbiting a star 120 light-years from Earth. While Neptune ...
Astronomers from Princeton and Japan unite to explore the universe, near and far
Space & Earth / Space Exploration
Jan 15, 2009 |
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Scientists from Princeton University and the National Astronomical Observatory of Japan (NAOJ) have agreed to collaborate over the next 10 years, using new instrumentation on the Hawaii-based Subaru Telescope ...
Astronomers use gamma-ray burst to probe star formation in the early universe
Jan 06, 2009 |
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(PhysOrg.com) -- The brilliant afterglow of a powerful gamma-ray burst (GRB) has enabled astronomers to probe the star-forming environment of a distant galaxy, resulting in the first detection of molecular ...
Stars Forming Just Beyond Black Hole’s Grasp at Galactic Center
Jan 05, 2009 |
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(PhysOrg.com) -- The center of the Milky Way presents astronomers with a paradox: it holds young stars, but no one is sure how those stars got there. The galactic center is wracked with powerful gravitational ...
Baby Jupiters must gain weight fast
Jan 05, 2009 |
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The planet Jupiter gained weight in a hurry during its infancy. It had to, since the material from which it formed probably disappeared in just a few million years, according to a new study of planet formation ...
