Monday 15 May 2017

Mars rover Opportunity begins study of Perseverance Valley's origin

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NASA's Mars Exploration Rover Opportunity has reached the main destination of its current two-year extended mission -- an ancient fluid-carved valley incised on the inner slope of a vast crater's rim.
via Science Daily
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NASA's EPIC view spots flashes on Earth

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One million miles from Earth, a NASA camera is capturing unexpected flashes of light reflecting off our planet.
via Science Daily
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Solving one of nature's great puzzles: What drives the accelerating expansion of the universe?

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Physicists may have solved one of nature's great puzzles: What causes the accelerating expansion of our universe?
via Science Daily
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Gas gives laser-induced graphene super properties

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Introducing gas to fabrication changes the water-reacting properties of laser-induced graphene, making it either superhydrophilic or superhydrophobic.
via Science Daily

Lightning Storm Moves Across the USA

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Watch a huge lightning storm move across the eastern USA. The huge storm caused much damage and unfortunately some loss of life for people in its path. Seen from space, the lightning is seen as momentary flashes in the featured time-lapse video recorded last month by the Geostationary Lightning Mapper (GLM) aboard the GOES-16 satellite. The outline of North America is most evident during the day, while the bright lightning strikes are most evident at night. Inspection of the video shows that much of the lightning occurred at the leading edge of the huge tail of the swirling storm. Because lightning frequently precedes a storm's most violent impact, lightning data from GLM holds promise to help reduce the harm to humans from future storms.

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LHC: preparations for a new season of physics

Extra X-rays

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Space Science image of the Week: ESA’s XMM-Newton detects X-ray sources sky-wide as it moves between targets
via ESA Space Science
http://www.esa.int/spaceinimages/Images/2017/05/Sources_in_XMM-Newton_s_second_slew_catalogue