Wednesday 6 December 2017

ALMA finds massive primordial galaxies swimming in vast ocean of dark matter

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New observations push back the epoch of massive-galaxy formation even further by identifying two giant galaxies seen when the universe was only 780 million years old, or about 5 percent its current age.
via Science Daily
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Clay minerals on Mars may have formed in primordial steam bath

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New research suggests that the bulk of clay minerals on Mars could have been formed as the planet's crust cooled and solidified, not by later interactions with water on the surface as has long been assumed.
via Science Daily
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New technique to reveal defect densities in graphene layers

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Scientists report the development of a method that determines the density of defects in two-dimensional nanomaterials due to measurements of spatial coherence of light that strike them.
via Science Daily

Catalyzing carbon dioxide

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A system that uses renewable electricity to electrochemically transform carbon dioxide into carbon monoxide -- a key commodity used in any number of industrial processes -- has now been developed by scientists.
via Science Daily

NASA telescope studies quirky comet 45P

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When comet 45P zipped past Earth early in 2017, researchers observing from NASA's Infrared Telescope Facility, or IRTF, in Hawai'i gave the long-time trekker a thorough astronomical checkup. The results help fill in crucial details about ices in Jupiter-family comets and reveal that quirky 45P doesn't quite match any comet studied so far.
via Science Daily
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