News About Asteroids And Comets
June 16, 2016
NASA Response to Recent Paper on NEOWISE Asteroid Size Results
Washington DC (SPX) May 26, 2016
A paper posted Sunday by Nathan Myhrvold to ArXiv.org and described in an article by reporter Ken Chang in the May 23 New York Times discusses interpretations of data on asteroids from NASA's NEOWISE mission. The paper was posted before undergoing the essential scientific peer-review process to catch and remove significant errors. Examination of the paper by members of the science community studying near-Earth objects has found several fundamental errors in Myhrvold's approach and analysis-mistake ... read more

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Natural quasicrystals may be the result of collisions between objects in the asteroid belt
Naturally formed quasicrystals - crystal-like solids with supposedly impossible symmetries - are among the rarest structures on Earth. Only two have ever been found. A team led by Paul Asimow (MS '9 ... more
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Scientists reconstruct the history of asteroid collisions
An international study, in which Spain's National Research Council (CSIC) participates, reveals that asteroids have endured a multitude of impact strikes since their formation 4,565 million years ag ... more
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Luxembourg takes first steps to asteroid mining law
One of Europe's smallest states, the Grand Duchy of Luxembourg, cast its eyes to the cosmos on Friday, announcing it would draw up a law to facilitate mining on asteroids. ... more
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Study shows how comets break up, make up
For some comets, breaking up is not that hard to do. A new study led by Purdue University and the University of Colorado Boulder indicates the bodies of some periodic comets - objects that orbit the ... more
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Europe's comet orbiter back after 'dramatic' silence
Europe's trailblazing spacecraft Rosetta has resumed its exploration of a comet hurtling through the Solar System after a "dramatic weekend" in which contact with Earth was lost for nearly 24 hours, mission control said Thursday. ... more
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Comet Churyumov-Gerasimenko contains ingredients for life
Ingredients crucial for the origin of life on Earth, including the simple amino acid glycine and phosphorus, key components of DNA and cell membranes, have been discovered at Comet 67P/Churyumov-Ger ... more
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NASA's OSIRIS-REx mission will have a map for that
On Sept. 8, NASA's OSIRIS-REx spacecraft is scheduled to launch for terra incognita: the unknown surface of the near-Earth asteroid Bennu. Like expeditions of old, OSIRIS-REx's mission includes mapp ... more
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NASA Begins Launch Preparations for the First U.S. Asteroid Sampling Mission
NASA's first spacecraft designed to return a piece of an asteroid to Earth arrived Friday, May 20, at the agency's Kennedy Space Center in Florida, and has begun final preparations in advance of its ... more
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The Book on the Birthplace of Planetary Science
Tucson AZ (SPX) May 23, 2016 With the countdown underway to September's launch of the OSIRIS-REx asteroid sample return mission, University of Arizona alumna Melissa Sevigny, author of the new book ... more
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Cambridge: Evidence of Comets Orbiting a Sun-like Star
An international team of astronomers have found evidence of ice and comets orbiting a nearby Sun-like star, which could give a glimpse into how our own solar system developed. Using data from the At ... more
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Close-up Hubble images show new details of comet
Astronomers using NASA's Hubble Space Telescope captured images of Comet 252P/LINEAR just after a close encounter with Earth on March 21. The close proximity to the comet offered scientists new insi ... more
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Asteroid Mining - What the Heck
The concept of commercializing space has become quite popular among entrepreneurs who sense that there are many possible profit-making opportunities awaiting adventurers willing to attempt exploitat ... more
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DSI and Luxembourg partner to commercialize space resources
Asteroid mining company Deep Space Industries, together with the Luxembourg Government and the Societe Nationale de Credit et d'Investissement (SNCI), the national banking institution in Luxembourg, ... more
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Elektra: A New Triple Asteroid
Astronomers have discovered a new satellite orbiting the main belt asteroid (130) Elektra - the smallest object visible in this image. The team, led by Bin Yang (ESO, Santiago, Chile), imaged it usi ... more
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Comet from Oort Cloud brings clues about solar system's origins
A newly identified comet may offer insights into the formation of the solar system. ... more
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New Ceres Images Show Bright Craters
Craters with bright material on dwarf planet Ceres shine in new images from NASA's Dawn mission. In its lowest-altitude mapping orbit, at a distance of 240 miles (385 kilometers) from Ceres, Dawn ha ... more
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Little Lander That Could: The Legacy of Philae
Philae, the little lander that was declared lost by the European Space Agency (ESA), has achieved pretty much despite of its relatively short operational life on the surface of the comet 67P/Churyum ... more
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Comets in the "X"-treme
For millennia, people on Earth have watched comets in the sky. Many ancient cultures saw comets as the harbingers of doom, but today scientists know that comets are really frozen balls of dust, gas, ... more
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UCF gets grant to plan for space mining on NASA mission
UCF physics professor Dan Britt has been named to the New Horizons mission team as the spacecraft heads to the Kuiper Belt. He's also just landed a grant to help create fake asteroid material, which ... more
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Glass beads, meteorite fragments hold secret to working on asteroids
The secret to planetary formation and working on asteroids lies in a handful of glass beads and meteorite fragments. These materials are the main component for the Astromaterials Research and ... more
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SwRI-led team identifies clathrate ices in comet 67P
For decades, scientists have agreed that comets are mostly water ice, but what kind of ice - amorphous or crystalline - is still up for debate. Looking at data obtained by ESA's Rosetta spacecraft i ... more
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The colour-changing comet
Rosetta's comet has been seen changing colour and brightness in front of the ESA orbiter's eyes, as the Sun's heat strips away the older surface to reveal fresher material. Rosetta's Visible and Inf ... more
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Asteroid-Hunting Spacecraft Delivers a Second Year of Data
NASA's Near-Earth Object Wide-field Survey Explorer (NEOWISE) mission has released its second year of survey data. The spacecraft has now characterized a total of 439 NEOs since the mission was re-s ... more
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One year on station at Ceres
One year after taking up its new residence in the solar system, Dawn is continuing to witness extraordinary sights on dwarf planet Ceres. The indefatigable explorer is carrying out its intensive cam ... more
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