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High Planetary Tilt Lowers Odds for Life?Moffet Field CA (NASA) Feb 08, 2012 If you think summer is too hot or winter unbearably cold, take solace that in the distant past seasons on our planet might have been much harsher. However, the advent of milder seasons did more than offer comfort, some scientists suggest. Subdued seasonality might be linked to the emergence of complex life on Earth around 600 million years ago. On alien worlds, extreme seasonal spikes and plunges in temperature could likewise determine whether life teems, scrapes by, or dies. Seasons arise w ... read more |
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  Mission to Land on a Comet Europe's Rosetta spacecraft is en route to intercept a comet- and to make history. In 2014, Rosetta will enter orbit around comet 67P/Churyumov-Gerasimenkoand land a probe on it, two firsts. R ... more | .. |
 Project NEOShield: Asteroid defence systems It is not entirely clear when exactly the last major asteroid impact on Earth occurred. But there are plenty of examples of impact craters, such as the Nordlinger Ries in Bavaria. That there will be ... more | .. |
  Do black holes help stars form? The centre of just about every galaxy is thought to host a black hole, some with masses of thousands of millions of Suns and consequently strong gravitational pulls that disrupt material around them ... more | .. |
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  Software Enables Efficient Planning of MESSENGER Observations SciBox has proven critical to the success of the MESSENGER mission to Mercury. With completion of the design of all primary-mission observations - including more than 70,000 images and millions of s ... more | .. |
  Blowing Up Stars For his discoveries about the lives and deaths of stars, the exotic physics of black holes and the origin of chemical elements, UA Regents' Professor David Arnett has been honored with the Henry Nor ... more | .. |
 Remnant of an Explosion With a Powerful Kick? Vital clues about the devastating ends to the lives of massive stars can be found by studying the aftermath of their explosions. In its more than twelve years of science operations, NASA's Chandra X ... more | .. |
 A pocket of star formation NGC 3324 is located in the southern constellation of Carina (The Keel, part of Jason's ship the Argo) roughly 7500 light-years from Earth. It is on the northern outskirts of the chaotic environment ... more |
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China, India should work towards 'win-win' cooperation: Chinese FM
US delays Patriot arms deliveries to Switzerland in switch to Ukraine
US 'moving at haste' to get Ukraine weapons: envoy | .. |
 Asteroids: The New 'It Mission' for Space Exploration The Japanese are heading back into space on a second attempt to collect samples from a nearby asteroid. The asteroid selected, 1999 JU3 is a perfect specimen, said Humberto Campins, a University of ... more | .. |
 IBEX spacecraft measures 'alien' particles from outside solar system Using data from NASA's Interstellar Boundary Explorer (IBEX) spacecraft, an international team of researchers has measured neutral "alien" particles entering our solar system from interstellar space ... more | .. |
  New super-Earth detected within the habitable zone of a nearby star An international team of scientists has discovered a potentially habitable super-Earth orbiting a nearby star. With an orbital period of about 28 days and a minimum mass 4.5 times that of the Earth, ... more | .. |
 NASA Spacecraft Reveals New Observations of Interstellar Matter NASA's Interstellar Boundary Explorer (IBEX) has captured the best and most complete glimpse yet of what lies beyond the solar system. The new measurements give clues about how and where our solar s ... more |
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  Manned Moon Shot Possible by 2020 A crewed mission to the moon is possible by 2020, the head of Russia's space agency Roscosmos, Vladimir Popovkin, said in an interview with the Ekho Moskvy radio station on Thursday. "Today sc ... more | .. |
 Elements of ExoPlanets Trace elements in stars may influence the evolution of habitable zones around them where life as we know it might dwell, scientists now find. Stars are made nearly entirely from hydrogen and h ... more | .. |
 The discovery of deceleration Pulsars are among the most exotic celestial bodies known. They have diameters of about 20 kilometres, but at the same time roughly the mass of our sun. A sugar-cube sized piece of its ultra-compact ... more | .. |
  SciTechTalk: In the cloud we trust? A report from Apple that 85 million people have signed up for its iCloud service is an indication a significant number of computer users are willing - even happy - to entrust their personal data, from documents to music to last summer's vacation snaps, to other digital hands. ... more |
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New deep sea mining rules lack consensus despite US pressure
Lightning strikes kill 33 people in eastern India
From Antarctica to Brussels, hunting climate clues in old ice | .. |
  Juno Spacecraft Refines its Path to Jupiter NASA's solar-powered Juno spacecraft successfully refined its flight path Wednesday with the mission's first trajectory correction maneuver. The maneuver took place on Feb. 1. It is the first of a d ... more | .. |
 Fourth potentially habitable planet is discovered International astronomers said on Thursday they have found the fourth potentially habitable planet outside our solar system with temperatures that could support water and life about 22 light-years from Earth. ... more | .. |
 Scientists help define structure of exoplanets Using models similar to those used in weapons research, scientists may soon know more about exoplanets, those objects beyond the realm of our solar system. In a new study, Lawrence Livermore Nationa ... more | .. |
  Hubble Zooms in on a Magnified Galaxy Thanks to the presence of a natural "zoom lens" in space, NASA's Hubble Space Telescope got a uniquely close-up look at the brightest "magnified" galaxy yet discovered. This observation provides a u ... more |
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 Russia to Start Own Search for Extrasolar Planets Russian astronomers are planning to start their own search for planets outside the Solar System using ground-based telescopes, head of the Institute for Space Research Lev Zelyony said on Wednesday. ... more | .. |
  New Horizons Aims to Put Its Stamp on History New Horizons' flight to explore the Pluto system in July 2015 will be a historic accomplishment for the U.S. space program, for planetary science, and indeed for all humankind. Plans for the f ... more | .. |
 Planets Circling Around Twin Suns In the last two decades, the study of extrasolar planets - those that lie outside our own solar system - has become one of the most important fields of astrophysics. Now a National Aeronautics ... more | .. |
  Colorful Solar Instrument Treks East for a New Career One of the world's most colorful solar instruments is moving across country for a new life dissecting the chemistry of comets and stars. The Fourier Transform Spectrometer (FTS) recently ended its c ... more |
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One billion Africans being harmed by cooking pollution
US reaches civil nuclear cooperation accord with Bahrain
American firms flag hit from US export controls targeting China | .. |
 Sun delivered curveball of powerful radiation at Earth A potent follow-up solar flare, which occurred Friday (Jan. 27, 2012), just days after the Sun launched the biggest coronal mass ejection (CME) seen in nearly a decade, delivered a powerful radiatio ... more | .. |
 NASA Mission Returns First Video From Lunar Far Side A camera aboard one of NASA's twin Gravity Recovery And Interior Laboratory (GRAIL) lunar spacecraft has returned its first unique view of the far side of the moon. MoonKAM, or Moon Knowledge Acquir ... more | .. |
IBEX: Glimpses of the Interstellar Material Beyond our Solar System A great magnetic bubble surrounds the solar system as it cruises through the galaxy. The sun pumps the inside of the bubble full of solar particles that stream out to the edge until they collide wit ... more | .. |
 "Cool" Gas May Form and Strengthen Sunspots Hydrogen molecules may act as a kind of energy sink that strengthens the magnetic grip that causes sunspots, according to scientists from Hawaii and New Mexico using a new infrared instrument on an ... more |
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 Solar Storms Blasting Electrons from Earth's Van Allen Belts Scientists say they have solved the mystery of why electrically-charged particles trapped in radiation belts thousands of kilometers above the Earth suddenly vanish and then reappear during periods ... more | .. |
 NASA's THEMIS Satellite Sees a Great Electron Escape When scientists discovered two great swaths of radiation encircling Earth in the 1950s, it spawned over-the-top fears about "killer electrons" and space radiation effects on Earthlings. The fears we ... more | .. |
 Space Weather Center to Add World's First 'Ensemble Forecasting' Capability After years of relative somnolence, the sun is beginning to stir. By the time it's fully awake in about 20 months, the team at NASA's Goddard Space Flight Center in Greenbelt, Md., charged with rese ... more | .. |
 UCLA astronomers solve mystery of vanishing electrons UCLA researchers have explained the puzzling disappearing act of energetic electrons in Earth's outer radiation belt, using data collected from a fleet of orbiting spacecraft. In a paper publi ... more |
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