News tagged with center
Ghostly gamma-ray beams blast from Milky Way's center
(Phys.org) -- As galaxies go, our Milky Way is pretty quiet. Active galaxies have cores that glow brightly, powered by supermassive black holes swallowing material, and often spit twin jets in opposite directions. ...
20 hours ago |
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Hitting snooze on the molecular clock: Rabies evolves slower in hibernating bats
The rate at which the rabies virus evolves in bats may depend heavily upon the ecological traits of its hosts, according to researchers at the University of Georgia, the U.S. Centers for Disease Control and Prevention and ...
May 18, 2012 |
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X-ray quasars, and a distance record
Quasars are thought to be galaxies whose bright nuclei contain massive black holes around which disks are actively accreting matter. The accretion process releases vast amounts of energy, often including a ...
Apr 30, 2012 |
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Scientists observe reproductive seasonality in male giant pandas
A three-year study of giant pandas published today in Biology of Reproduction's Papers-in-Press reveals that reproductive seasonality exists not only in female pandas, but in male pandas as well.
Apr 04, 2012 |
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NASA launches suborbital rockets from Virginia
Milky white chemical clouds were briefly visible in much of the night sky along the Eastern seaboard on Tuesday after NASA launched a series of rockets to study the jet stream at the edge of the earth's atmosphere.
Space & Earth / Space Exploration
Mar 27, 2012 |
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Apps could fence in free-range Internet: US study
The free-ranging Internet is under assault by mobile applications that connect people exclusively to content kept in "walled gardens" online, according to a US study released Thursday.
Mar 23, 2012 |
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Runaway planets zoom at a fraction of light speed
Seven years ago, astronomers boggled when they found the first runaway star flying out of our Galaxy at a speed of 1.5 million miles per hour. The discovery intrigued theorists, who wondered: If a star can ...
Mar 22, 2012 |
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The origins of a torus in a galactic nucleus
(PhysOrg.com) -- Quasars are among the most energetic objects in the universe, with some of them as luminous as ten thousand Milky Way galaxies. Quasars are thought to have massive black holes at their cores, ...
Mar 13, 2012 |
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Scientists see red on NASA cuts of Mars missions
NASA said Monday it's not giving up on Mars, but it'll have to get there later and at a lower price.
Space & Earth / Space Exploration
Feb 27, 2012 |
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NASA satellites watch Tropical Storm Beryl
Tropical Storm Beryl formed off the Carolina coast on Friday, May 25 as "System 94L" and later that day became the second tropical storm of the Atlantic Hurricane Season, before the season even started. Over ...
Space & Earth / Earth Sciences
15 hours ago |
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Typhoon Sanvu had a bad weekend
Typhoon Sanvu had a bad weekend. It went from Typhoon status on May 25 to an extra-tropical storm and finally into a remnant low pressure area by May 29, 2012.
Space & Earth / Earth Sciences
16 hours ago |
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New York is vying to become global high-tech hub
(AP) -- Just as a trench dug in the 1800s created a shortcut to the nation's interior and helped make New York a global trading hub, the city is now hoping for another "Erie Canal moment" with a high-tech research complex ...
May 28, 2012 |
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Typhoon Sanvu affecting Iwo To, then expected to fade over weekend
Infrared and visible imagery from NASA's Aqua satellite taken on May 25, 2012, showed an impressive Typhoon Sanvu already affecting the islands of Iwo To and Chichi Jima, Japan. The typhoon is expected to ...
Space & Earth / Earth Sciences
May 25, 2012 |
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NASA's TRMM satellite sees some heavy rainfall in Typhoon Sanvu
Tropical Storm Sanvu strengthened overnight as forecast and is now a Typhoon in the western North Pacific Ocean. NASA's Tropical Rainfall Measuring Mission (TRMM) satellite observed that most of the rainfall ...
Space & Earth / Earth Sciences
May 24, 2012 |
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A planetary system that never was teaches about those that may be
While Kepler and similar missions are turning up planets by the fist full, there’s long been many places that astronomers haven’t expected to find planetary systems. The main places include regions ...
May 23, 2012 |
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