News About Asteroids And Comets
January 10, 2017
White House releases strategy in case of 'killer asteroid'
Washington DC (Sputnik) Jan 09, 2017
The White House has published a 25-page report on 'National Near-Earth Object Preparedness Strategy,' detailing preparations in the event that a celestial object such as a 'killer asteroid' is found to be on a collision course with Earth.The report was written by the Interagency Working Group (IWG) for Detecting and Mitigating the Impact of Earth-bound Near-Earth Objects (DAMIEN). The document's purpose is to "seek to improve our Nation's preparedness to address the hazard of near-Earth object (NE ... read more

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NASA Selects Two Missions to Explore the Early Solar System
NASA has selected two missions that have the potential to open new windows on one of the earliest eras in the history of our solar system - a time less than 10 million years after the birth of our s ... more
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Quadrantid meteor shower to peak this week in North America
A fireworks-type display of Quadrantid meteors will likely peak in North America on Tuesday or Wednesday. ... more
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NEOWISE mission spies one comet, maybe two
NASA's NEOWISE mission has recently discovered some celestial objects traveling through our neighborhood, including one on the blurry line between asteroid and comet. Another--definitely a comet--mi ... more
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PANIC Lander to Revolutionize Asteroid Research
A US-German team of researchers has proposed to develop a micro-scale low-cost surface lander for the in situ characterization of an asteroid. The tiny spacecraft, called the Pico Autonomous Near-Ea ... more
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Ceres Offers Insight Into Prospects For Life in Early Solar System
Ceres, the largest body in the main asteroid belt, is pocketed with cold, dark craters, several of which are layered in ice, raising the prospects that this frigid dwarf planet once had perhaps an o ... more
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The case of the missing diamonds
It all began innocently enough. Tyrone Daulton, a physicist with the Institute for Materials Science and Engineering at Washington University in St. Louis, was studying stardust, tiny specks of heat ... more
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Studies refute hypothesis on what caused abrupt climate change thousands of years ago
Two new studies in the Journal of Quaternary Science refute the hypothesis that one or more comets/bolides struck North America approximately 12,900 years ago triggering rapid climate change and the ... more
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Rosetta's last words: science descending to a comet
On 30 September 2016, at 11:19:37 UTC in ESA's mission control, Rosetta's signal flat-lined, confirming that the spacecraft had completed its incredible mission on the surface of Comet 67P/Churyumov ... more
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Ceres: Water ice in eternal polar night
The American Dawn space probe has been orbiting the asteroid Ceres between Mars and Jupiter since March 2015. Thanks to the two identical onboard cameras from the Max Planck Institute for Solar Syst ... more
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Where is the Ice on Ceres
At first glance, Ceres, the largest body in the main asteroid belt, may not look icy. Images from NASA's Dawn spacecraft have revealed a dark, heavily cratered world whose brightest area is made of ... more
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Searching for Trojan Asteroids, Earth's Unseen Companions
The University of Arizona-led OSIRIS-REx mission will take advantage of its two-year outbound cruise to the asteroid Bennu in order to conduct a search for elusive solar system objects. Between Feb. ... more
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NASA mission to search for rare asteroids
NASA's first mission to return a sample of an asteroid to Earth will be multitasking during its two-year outbound cruise to the asteroid Bennu. On Feb. 9-20, the OSIRIS-REx (Origins, Spectral Interp ... more
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NASA Scientists see Asteroid through the Eyes of a Robot
Retrieving an asteroid sample is no easy task. Doing the job blindfolded is even more challenging. That's why scientists equipped the OSIRIS-REx spacecraft with a set of eyes to watch it all unfold. ... more
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Arizona Astronomers Characterize Smallest Known Asteroid
A team of astronomers have obtained observations of the smallest asteroid - with a diameter of only two meters (six feet) - ever characterized in detail. The asteroid, named 2015 TC25, is also one o ... more
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It's a Bird... It's a Plane... It's the Tiniest Asteroid
Astronomers have obtained observations of the smallest asteroid ever characterized in detail. At 2 meters (6 feet) in diameter, the tiny space rock is small enough to be straddled by a person in a h ... more
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Chicxulub : a unique crater to elucidate planetary surfaces
The fall of an asteroid in the Yucatan Peninsula (Mexico) 66 million years ago is believed to have caused the extinction of dinosaurs. It also created the Chicxulub impact crater, the only such crat ... more
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Asteroid impacts could create niches for life
Scientists studying the Chicxulub crater have shown how large asteroid impacts deform rocks in a way that may produce habitats for early life. Around 65 million years ago a massive asteroid crashed ... more
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New Ceres Views as Dawn Moves Higher
The brightest area on Ceres stands out amid shadowy, cratered terrain in a dramatic new view from NASA's Dawn spacecraft (http://dawn.jpl.nasa.gov, http://www.nasa.gov/dawn), taken as it looked off ... more
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Undergrad devises strategy for defending Earth from potential comet impact
Growing up in the California desert, Qicheng Zhang developed an early appreciation for stars and the universal expanse beyond the sky. But his biggest space curiosity by far was with comets, those c ... more
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Icy surprises at Rosetta's comet
As Rosetta's comet approached its most active period last year, the spacecraft spotted carbon dioxide ice - never before seen on a comet - followed by the emergence of two unusually large patches of ... more
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Report confirms scientific benefits of NASA's Asteroid Redirect Mission
A new report provides expert findings from a special action team on how elements of the Asteroid Redirect Mission (ARM) can address decadal science objectives and help close Strategic Knowledge Gaps ... more
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NASA Renews Search for Antarctic Meteorites
Three federal entities, including NASA, are reaffirming their commitment to search for Antarctic meteorites, to help learn more about the primitive building blocks of the solar system and answer que ... more
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Scientists voice support for asteroid deflection mission
Scientists in Europe want to ensure the European Space Agency doesn't abandon its plans to study and test the latest asteroid deflection technologies. ... more
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New Study Reveals Relationships Between Chemicals Found on Comets
A new study has revealed similarities and relationships between certain types of chemicals found on 30 different comets, which vary widely in their overall composition compared to one another. The r ... more
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