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Archive for April, 2010

Our Universe Was Born in a Black Hole, Theory Says (SPACE.com)

Tuesday, April 27th, 2010

SPACE.com – Ouruniverse might have originated from a black hole that lies within anotheruniverse.

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2010 April 26

Tuesday, April 27th, 2010

2010 April 26

Dust Pillar of the Carina Nebula , and M. Livio and the Hubble 20th Anniversary Team (STScI

Inside the head of this interstellar monster is a star that is slowly destroying it. The monster, on the right, is actually an inanimate pillar of gasdust that measures over a light year in length. The star, not itself visible through the opaque dust, is bursting out partly by ejecting energetic beams of particles.Similar epic battles are being waged all over the star-forming Carina Nebula. The stars will win in the end, destroying their pillars of creationover the next 100,000 years, and resulting in a new open cluster of stars.The pink dots around the image are newly formed stars that have already been freed from their birth monster. The above image was released last week in commemoration of the Hubble Space Telescopes 20th year of operation.The technical name for the stellar jets are Herbig-Haro objects. How a star creates Herbig-Haro jets is an ongoing topic of research, but it likely involves an accretion disk swirling around a central star.A second impressive Herbig-Haro jet occurs diagonally near the image center.

mysterious sound

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Some Craters on the Moon May Be Electrified (SPACE.com)

Tuesday, April 27th, 2010

An aircraft passes in front of the moon above Manchester, northern England April 26, 2010. REUTERS/Phil Noble (BRITAIN - Tags: TRANSPORT ENVIRONMENT IMAGES OF THE DAY)SPACE.com – Exploringthe craters at the moon’s north and south poles may be even more challengingthan previously thought for future astronauts. New NASA calculations now showthat solar wind streaming over the rough lunar surface may electrically chargepolar craters on the moon.


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Satellite data improve aviation safety

Tuesday, April 27th, 2010

Thousands of planes are grounded across Europe due to the spread of volcanic ash following the recent eruption under Iceland’s Eyjafjallajoekull glacier. Volcanic eruptions eject large amounts of ash and trace gases such as sulphur dioxide into the atmosphere, often reaching the altitudes of scheduled flights.

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Spacecraft Skims Venus Atmosphere for Science (SPACE.com)

Tuesday, April 27th, 2010

SPACE.com – A European-built spacecraft has used its solar wings assails to skim through the sweltering atmosphere of Venus at the planet’soutermost border with space.

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ESA’s CryoSat-2 and NASA’s DC-8 star in Arctic cooperation

Tuesday, April 27th, 2010

Taking advantage of NASA’s ‘Operation Ice Bridge’ campaign, measurements of Arctic sea ice have been made from an aircraft flying directly under CryoSat-2′s orbital path. These measurements offer an early opportunity to check the quality of the newly launched CryoSat-2 satellite data over sea ice.

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2010 April 25

Tuesday, April 27th, 2010

2010 April 25

Planetary Nebula Mz3: The Ant Nebula Credit: R. SahaiJPL) et al.,Hubble Heritage Team, ESA,

Why isn’t this ant a big sphere? Planetary nebula Mz3 is being cast off by a star similar to our Sunthat is, surely, round. Why then would the gas that is streaming away create an ant-shaped nebula that is distinctly not round? Clues might includethe high 1000-kilometer per second speed of the expelled gas, the light-year long length of the structure, and the magnetism of the star visibleabove at the nebula’s center. One possible answer is that is hiding a second, dimmer star that orbits close in to the bright star. A competing hypothesis holds that the central star’s own spin and magnetic field are channeling the gas. Since the central star appears to be so similar to our own Sun, astronomers hope that increased understanding of the history of this giant space ant can provide useful insight into the likely future of our own Sun and Earth

dust monster

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Envisat keeping an eye on the Eyjafjallajoekull volcano

Tuesday, April 27th, 2010

The development of the ash plume from Iceland’s Eyjafjallajoekull volcano between 17-20 April is tracked in this series of Envisat images.

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NASA’s final shuttle flight slips to November (Reuters)

Tuesday, April 27th, 2010

The space shuttle Endeavour returns to the Kennedy Space Center in Cape Canaveral, Florida, February 21, 2010. REUTERS/Craig Rubadoux/PoolReuters – NASA’s last space shuttle mission will be delayed until November so scientists can adapt a $2 billion particle detector for an extended life aboard the International Space Station, officials said Monday.


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Tuesday, April 27th, 2010
Vote: Which image would make the best APOD?

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