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NASA scientists find Earth-like water in passing comet     – CNET
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Now that’s what I call high-quality H2O.

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Protect Solar System From Mining 'Gold Rush', Say Scientists
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An anonymous reader quotes the Guardian: Great swathes of the solar system should be preserved as official “space wilderness” to protect planets, moons and other heavenly bodies from rampant mining and other forms of industrial exploitation, scientists say. The proposal calls for more than 85% of the solar system to be placed off-limits to human […]

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Scientists confirm that a space rock hit the Moon during the lunar eclipse
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Enlarge / The flash from the impact of a meteoroid on the eclipsed Moon in early 2019, seen as the dot at top left. (credit: J. M. Madiedo / MIDAS) On January 19, 2019, a lunar eclipse dazzled observers throughout the Americas (and a sliver of Africa and Europe). After the event, some who had […]

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Scientists Live-Tweet Chilling Faux Asteroid Impact Scare
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The world’s top asteroid experts are gathering on Monday, April 29 at the 2019 Planetary Defense Conference in Washington D.C. to take part in a hypothetical asteroid impact exercise that will test how Earth responds to the threat of a potentially devastating space rock. CNET reports: NASA’s Planetary Defense Coordination Office developed the exercise along […]

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Scientists Develop Self-Propelling Phoenix Aircraft That Inhales Air
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dryriver writes: The BBC reports on a 50ft long and only 120kg heavy blimp-like UAV aircraft that is designed to fly at 70,000 feet, is entirely solar powered, uses variable-buoyancy for propulsion, and can essentially stay airborne in a self-powered way until it experiences mechanical or electrical failure. The Phoenix varies its buoyancy continuously using […]

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MIT scientists: Heat can act like sound wave when moving through pencil lead
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Enlarge / Graphite rods ready to be encased in wood to make pencils. MIT scientists have shown that heat behaves like sound when moving through graphite. (credit: Jean-Christophe Verhaegen/AFP/Getty Images) A boiling tea kettle diffuses its heat to gradually warm surrounding air, yet it will still be the warmest region even as it, too, slowly […]

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Scientists Measure 1.3-Billion-Volt Thunderstorm, the Strongest on Record
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An anonymous reader shares a report: Scientists in India observed the highest-voltage thunderstorm ever documented with the help of a subatomic particle you might not hear much about: the muon. The researchers operate the GRAPES-3 telescope, which measures muons, particles that are similar to electrons but heavier. Specifically, the Gamma Ray Astronomy at PeV EnergieS […]

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New images of the distant Ultima Thule object have surprised scientists
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Enlarge / New Horizons took this image of the Kuiper Belt object 2014 MU69 (nicknamed Ultima Thule) on Jan. 1, 2019, when the NASA spacecraft was 8,862km beyond it. The image to the left is an “average” of ten images. (credit: NASA/JHUAPL/SWRI) Back in early January, when scientists pulled down their first batch of data […]

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Scientists solve the mystery of Rembrandt’s “impasto” paint recipe
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Enlarge / Detail from Rembrandt van Rijn’s Susanna (1636), one of the paintings analyzed by Dutch and French scientists using X-ray synchrotron radiation to determine paint composition. (credit: Public domain) The 17th century Dutch master Rembrandt van Rijn is justly considered one of the greatest artists of all time. He’s particularly praised for his masterful […]

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