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nasa Mars science curiosity rover - 6977721600
Via Nasa
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The tool is a motorized, wire-bristle brush designed to prepare selected rock surfaces for enhanced inspection by the rover's science instruments. It is built into the turret at the end of the rover's arm. In particular, the Alpha Particle X-ray Spectrometer and the Mars Hand Lens Imager, which share the turret with the brush and the rover's hammering drill, can gain information after dust removal that would not be accessible from a dust-blanketed rock.
ISS science nasa 2024 - 7993971456
By Unknown
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NASA and White House officials are announcing plans today (Jan. 8) to keep the International Space Station running through at least 2024 — a four-year life extension for the largest spacecraft ever built.

The NASA decision will allow scientists to use the International Space Station for at least the next 10 years, maximizing the science return on the $100 billion orbiting laboratory, Bill Gerstenmaier, NASA's chief of exploration and human spaceflight operations, said in a teleconference. Previous lifetime projections for the space station called for it be shut down in 2020.
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nasa awesome spaceship science - 8271460352
Via Space
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f humanity ever wants to colonize a planet beyond the solar system, it's going to need a really big spaceship. The founding population of an interstellar colony should consist of 20,000 to 40,000 people, said Cameron Smith, an anthropologist at Portland State University in Oregon. Such a large group would possess a great deal of genetic and demographic diversity, giving the settlement the best chance of survival during the long space voyage and beyond, he explained.
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nasa science solar eclipse solar ring where to go - 6237377280
Via NASA
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In case you haven't heard, there's going to be a solar eclipse on Sunday! My understanding is that the closer you are to being in that red area the more of the solar eclipse you'll see.

As a point of reference, Seattleites will be seeing 83 percent of the sun's surface covered around sunset, while some national parks in the direct line will see a 95 percent eclipse.

nasa cleaning robot - 7240879872
Via Mashable
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R2, which has been on the ISS since 2011, has a mission: clean handrails, vacuum air filters and take air-flow measurements. The problem is it doesn't yet have the ability to learn and complete the work. So NASA is looking for someone to teach the bot. The Robonaut Challenge calls on contestants to write algorithms that allow R2 to interact with a training dashboard the space agency built.
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nasa apocalypse mayans - 6822857472
Via MNN
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From MNN:

NASA scientists took time on Wednesday (Nov. 28) to soothe 2012 doomsday fears, warning against the dark side of Mayan apocalypse rumors — frightened children and suicidal teens who truly fear the world may come to an end Dec. 21. These fears are based on misinterpretations of the Mayan calendar. On the 21st, the date of the winter solstice, a calendar cycle called the 13th b'ak'tun comes to an end. Although Maya scholars agree that the ancient Maya would not have seen this day as apocalyptic, rumors have spread that a cosmic event may end life on Earth on that day.
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nasa awesome robot grover science funny - 7446761472
Via NASA
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GROVER, which stands for both Greenland Rover and Goddard Remotely Operated Vehicle for Exploration and Research, is an autonomous, solar-operated robot that carries a ground-penetrating radar to examine the layers of Greenland's ice sheet. Its findings will help scientists understand how the massive ice sheet gains and loses ice.