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LCROSS Impact Data Indicates Water on Moon

LCROSS Impact Finds Water on the Moon

Space & Earth / Space Exploration

created Nov 13, 2009 | popularity 4.9 / 5 (31) | comments 15

(PhysOrg.com) -- The argument that the moon is a dry, desolate place no longer holds water. Secrets the moon has been holding, for perhaps billions of years, are now being revealed to the delight of scientists ...


Greenland ice cap melting faster than ever

Greenland ice cap melting faster than ever

Space & Earth / Earth Sciences

created Nov 12, 2009 | popularity 3.6 / 5 (32) | comments 25

Satellite observations and a state-of-the art regional atmospheric model have independently confirmed that the Greenland ice sheet is loosing mass at an accelerating rate, reports a new study in Science.


The Stars My Destination

The Stars My Destination

Space & Earth / Space Exploration

created Nov 10, 2009 | popularity 4.8 / 5 (23) | comments 2

The Voyager spacecraft are now in the outermost layer of the heliosphere, traveling toward interstellar space - the first man-made spacecraft to travel such a vast distance from Earth.


A scale model of the Virgin Galactic SpaceShipTwo

Virgin Galactic readies maiden suborbital flight

Space & Earth / Space Exploration

created Dec 06, 2009 | popularity 5 / 5 (22) | comments 10

British billionaire Sir Richard Branson will unveil a craft on Monday that could soon carry tourists on an out-of-this-world trip into space -- for a mere 200,000 dollars. (Update: Virgin Galactic unveils commercial spaceship) ...


Scientists Generate Black Hole Radiation in the Lab

Scientists Generate Black Hole Radiation in the Lab

Physics / Plasma Physics

created Dec 07, 2009 | popularity 4.2 / 5 (24) | comments 5

(PhysOrg.com) -- Due to their violent nature and long distance from Earth, black holes and their surroundings are very difficult to study. Currently, the main method to observe a black hole is to use an X-ray ...


The Energy Sources of Ultraluminous Galaxies

The Energy Sources of Ultraluminous Galaxies

Space & Earth / Astronomy

created Nov 27, 2009 | popularity 4.7 / 5 (20) | comments 3

(PhysOrg.com) -- Ultraluminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns; for comparison, the Milky Way galaxy has a typical (and much more modest) luminosity ...


Caltech scientists explain puzzling lake asymmetry on Titan

Scientists explain puzzling lake asymmetry on Titan

Space & Earth / Space Exploration

created Nov 29, 2009 | popularity 4.4 / 5 (14) | comments 0

Researchers at the California Institute of Technology (Caltech) suggest that the eccentricity of Saturn's orbit around the sun may be responsible for the unusually uneven distribution of methane and ethane ...


A faraway planet intrigues: Exoplanet with extremely tilted orbit raises new interest in stellar astronomy

A faraway planet intrigues: Exoplanet with extremely tilted orbit raises new interest in stellar astronomy

Space & Earth / Astronomy

created Nov 12, 2009 | popularity 4.5 / 5 (12) | comments 6

(PhysOrg.com) -- Two teams of astronomers have found a planet outside the solar system that might be orbiting backwards compared to its star's rotation, a discovery that could shed light on how unique the ...


sky, sun

A lightning strike in Africa helps take the pulse of the sun

Space & Earth / Space Exploration

created Nov 11, 2009 | popularity 4.5 / 5 (11) | comments 2

Sunspots, which rotate around the sun's surface, tell us a great deal about our own planet. Scientists rely on them, for instance, to measure the sun's rotation or to prepare long-range forecasts of the Earth's ...


A NASA satellite image of iceberg B17B (C), some 19 kilometres (12 miles) long, floating off West Australia

Giant iceberg spotted south of Australia

Space & Earth / Earth Sciences

created Dec 09, 2009 | popularity 4.1 / 5 (12) | comments 12

A monster iceberg nearly twice the size of Hong Kong island has been spotted drifting towards Australia in what scientists Wednesday called a once-in-a-century event.


Climate change in Kuwait Bay

Climate change in Kuwait Bay

Space & Earth / Earth Sciences

created Nov 30, 2009 | popularity 3.7 / 5 (13) | comments 1

Since 1985, seawater temperature in Kuwait Bay, northern Arabian Gulf, has increased on average 0.6°C per decade. This is about three times faster than the global average rate reported by the Intergovernmental ...


Swift spacecraft

Magnetic Power Revealed in Gamma-Ray Burst Jet

Space & Earth / Astronomy

created 21 hours ago | popularity 4.5 / 5 (8) | comments 5

(PhysOrg.com) -- A specialized camera on a telescope operated by U.K. astronomers from Liverpool has made the first measurement of magnetic fields in the afterglow of a gamma-ray burst (GRB). The result is ...


Brazil: Deforestation sees biggest drop in 20 yrs (AP)

Brazil: Deforestation sees biggest drop in 20 yrs

Space & Earth / Environment

created Nov 12, 2009 | popularity 5 / 5 (7) | comments 1

(AP) -- Deforestation in the Brazilian Amazon dropped nearly 46 percent from August 2008 to July 2009 - the biggest annual decline in two decades, the government said Thursday.


Rosetta

Rosetta bound for outer Solar System after final Earth swingby (w/ Video)

Space & Earth / Space Exploration

created Nov 13, 2009 | popularity 4.9 / 5 (7) | comments 1

(PhysOrg.com) -- This morning, mission controllers confirmed that ESA’s comet chaser Rosetta had swung by Earth at 8:45 CET as planned, skimming past our planet to pick up a gravitational boost for an epic ...


Lightning

Lightning-produced radiation a potential health concern for air travelers

Space & Earth / Earth Sciences

created Dec 07, 2009 | popularity 3.8 / 5 (9) | comments 7

New information about lightning-emitted X-rays, gamma rays and high-energy electrons during thunderstorms is prompting scientists to raise concerns about the potential for airline passengers and crews to be ...