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US spacecraft enters giant asteroid's orbitWashington (AFP) July 17, 2011 The US spacecraft Dawn has entered the orbit of Vesta, one of the largest asteroids in the solar system, the US space agency announced early Sunday. Dawn is expected to come within 10,000 miles (16,000 kilometers) of Vesta to study its surface while traveling 116 million miles (188 million kilometers) from Earth. "It has taken nearly four years to get to this point," said Robert Mase, manager of the $466 million project at NASA's Jet Propulsion Laboratory in Pasadena, California. After a ye ... read more |
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 When minor planets Ceres and Vesta rock the Earth into chaos Astronomy and Astrophysics is publishing a new study of the orbital evolution of minor planets Ceres and Vesta, a few days before the flyby of Vesta by the Dawn spacecraft. A team of astronomers fou ... more | .. |
 Dawn Spacecraft Enters Orbit Around Asteroid Vesta NASA's Dawn spacecraft on Saturday became the first probe ever to enter orbit around an object in the main asteroid belt between Mars and Jupiter. Dawn will study the asteroid, named Vesta, fo ... more | .. |
  New Ways to Measure Magnetism Around the Sun Those who study the sun face an unavoidable hurdle in their research - their observations must be done from afar. Relying on images and data collected from 90 million miles away, however, makes it t ... more | .. |
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  Mapping Microbialites The Pavilion Lake Research Project (PLRP) is moving its base of operations. For the past several years, PLRP has used DeepWorker submersible vehicles to explore the unusual carbonate structures, kno ... more | .. |
 Comet Hartley 2 Leaves a Bumpy Trail New findings from NEOWISE, the asteroid- and comet-hunting portion of NASA's Wide-field Infrared Survey Explorer mission, show that comet Hartley 2 leaves a pebbly trail as it laps the sun, dotted w ... more | .. |
  Evolved Stars Locked in Fatalistic Dance White dwarfs are the burned-out cores of stars like our Sun. Astronomers have discovered a pair of white dwarfs spiraling into one another at breakneck speeds. Today, these white dwarfs are so near ... more | .. |
 Galaxy sized twist in time pulls violating particles back into line A University of Warwick physicist has produced a galaxy sized solution which explains one of the outstanding puzzles of particle physics, while leaving the door open to the related conundrum of why ... more |
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Deloitte launches Silent Shield system to monitor satellite cyber threats
Trump deploys nuclear submarines in row with Russia
Cascade raises 59M to develop full stack satellite communications platform | .. |
  Ten new distant planets detected Astronomers using a French telescope say they've discovered 10 new distant planets, including twin Neptune-sized worlds and a rare Saturn-like planet. ... more | .. |
  Saturn moon color mystery explained U.S. astronomers say they've figured out origins of the mysterious colors of Saturn's moon Iapetus, bright white on one side and coal-black on the other. ... more | .. |
  UA Teams Selected for Zero Gravity Flights Two undergraduate student teams from the University of Arizona will conduct experiments in zero gravity this week as part of NASA's Reduced Gravity Student Flight Opportunities Program. The teams ar ... more | .. |
  What Activates a Supermassive Black Hole? A new study combining data from ESO's Very Large Telescope and ESA's XMM-Newton X-ray space observatory has turned up a surprise. Most of the huge black holes in the centres of galaxies in the past ... more |
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 A Pulsar and Its Mysterious Tail A spinning neutron star is tied to a mysterious tail - or so it seems. Astronomers using NASA's Chandra X-ray Observatory have found that this pulsar, known as PSR J0357+3205 (or PSR J0357 for short ... more | .. |
 Scientists Explore the Deep to Learn More about Life and Science NASA and the Canadian Space Agency invite the news media to join the international, multidisciplinary Pavilion Lake Research Project (PLRP) team as it explores, studies and documents rare freshwater ... more | .. |
  Twin Artemis Probes To Study Moon In 3D On Sunday, July 17, the Moon will acquire its second new companion in less than a month. That's when the second of two probes built by the University of California, Berkeley, and part of NASA's five ... more | .. |
 NASA Spacecraft to Enter Asteroid's Orbit on July 15 On July 15, NASA's Dawn spacecraft will begin a prolonged encounter with the asteroid Vesta, making the mission the first to enter orbit around a main-belt asteroid. The main asteroid belt lie ... more |
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A weakening forest buffer challenges EU climate goals
DefendEye adds Starlink Mini to tube drone system for real time global search ops
Earth's magnetic field could form even with a fully liquid core | .. |
  Computer learns language by playing games Computers are great at treating words as data: Word-processing programs let you rearrange and format text however you like, and search engines can quickly find a word anywhere on the Web. But what w ... more | .. |
 Supramolecules get time to shine What looks like a spongy ball wrapped in strands of yarn - but a lot smaller - could be key to unlocking better methods for catalysis, artificial photosynthesis or splitting water into hydrogen, acc ... more | .. |
 Dawn Nears Start of Year-Long Stay at Giant Asteroid NASA's Dawn spacecraft is on track to begin the first extended visit to a large asteroid. The mission expects to go into orbit around Vesta on July 16 and begin gathering science data in early Augus ... more | .. |
 Dark Fireworks on the Sun On June 7, 2011, Earth-orbiting satellites detected a flash of X-rays coming from the western edge of the solar disk. Registering only "M" (for medium) on the Richter scale of solar flares, the blas ... more |
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 Scientists model physics of a key dark-energy probe Ohio State University researchers are leveraging powerful supercomputers to investigate one of the key observational probes of "dark energy," the mysterious energy form that is causing the expansion ... more | .. |
 Hynix, Toshiba to develop new memory device South Korea's Hynix Semiconductor and Japanese electronics giant Toshiba said Wednesday they have agreed to jointly develop a next-generation memory device. ... more | .. |
 The universe may have been born spinning Physicists and astronomers have long believed that the universe has mirror symmetry, like a basketball. But recent findings from the University of Michigan suggest that the shape of the Big Bang mig ... more | .. |
  Arlington Planetarium Saved at Last Minute With the deadline of the fundraising campaign approaching, the Friends of Arlington's David M. Brown Planetarium have been making an all out, last ditch effort to hit the goal set in April 2010 by D ... more |
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Ancient Roman concrete longevity offers mixed sustainability benefits
Increasing solar energy use offers key opportunity to reduce US carbon emissions
Light driven visual microphone offers new tool for silent sound detection | .. |
 Stardust in our backyard provides new clues to galaxy evolution New data from ESA's Herschel Space Observatory have revealed surprisingly large amounts of cold dust in the remnant of the famous supernova SN1987A, which exploded 24 years ago in the Large Magellan ... more | .. |
 UC Riverside physicists discover new way to produce antimatter-containing atom Physicists at the University of California, Riverside report that they have discovered a new way to create positronium, an exotic and short-lived atom that could help answer what happened to antimat ... more | .. |
 Islands of Life, Part III In 2005, after years of effort, researchers had all but given up on finding bacterial colonization in the hyperarid core of Chile's Atacama Desert. It was simply too dry, they concluded, to support ... more | .. |
 First-Ever View of a Sungrazer Comet In Front of the Sun On the evening of Tuesday, July 5, a comet flew into the sun. Such comets are not unusual, and they're called "sungrazers" since they come so close to the star that it is believed they evaporate and ... more |
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 Exploding stars can make good dust factories ESA's Herschel space observatory has discovered that titanic stellar explosions can be excellent dust factories. In space, the dust mixes with gas to become the raw material for new stars, planets a ... more | .. |
  Gas Giant Spacecraft All Gassed Up The Juno spacecraft completed hydrazine fuel loading, oxidizer loading and final tank pressurizations this week, and now the complete propulsion system is ready for the trip to Jupiter. The spacecra ... more | .. |
 Space debris will not approach station: NASA A piece of space junk from a broken Soviet satellite is not expected to collide with the International Space Station after all, NASA said Monday. ... more | .. |
 Debris may be on collision course with space lab: NASA NASA is tracking a piece of Soviet space debris that could collide with the International Space Station, the US space agency said Sunday after the shuttle Atlantis docked on its final mission. ... more |
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