Roughly 1,100 years ago, the Changbaishan volcano that lies along the border between northeastern China and North Korea erupted, sending pyroclastic flows dozens of kilometers and blasting a 5-kilometer (3-mile) wide chunk ...
Earth Sciences
Sep 20, 2012
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To build a planet you need lots of rubble and that means lots of heavy elements – stuff more massive than atoms of hydrogen and helium. The elemental composition of the collapsing nebula that gave birth to the Sun and the ...
Astronomy
Aug 31, 2012
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(Phys.org)—Are gasoline-fueled cars or large diesel trucks the bigger source of secondary organic aerosol (SOA), a major component of smog? UC Berkeley researchers have stepped into this debate with a new study that says ...
Environment
Oct 22, 2012
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Levels of carbon dioxide rose hand-in-hand with warming at the end of the last Ice Age, according to a study Thursday that deals a blow to climate skeptics.
Earth Sciences
Feb 28, 2013
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A multi-institutional team of researchers has discovered silica mineral quartz in a primitive meteorite, comprising direct evidence of silica condensation within the solar protoplanetary disk, and offering new clues to understanding ...
Space Exploration
Aug 23, 2018
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(PhysOrg.com) -- A colourful star-forming region is featured in this stunning new NASA/ESA Hubble Space Telescope image of NGC 2467. Looking like a roiling cauldron of some exotic cosmic brew, huge clouds of gas and dust ...
Astronomy
Jul 13, 2010
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(Phys.org)—The structure of graphite oxide surprisingly expands when cooled in methanol or ethanol. Also, graphite oxide selectively absorbs methanol from water-methanol mixtures. Two new studies by physicists at Umeå ...
Nanomaterials
Feb 6, 2013
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Ryo Ando, a graduate student of the University of Tokyo, and his colleagues have observed the galaxy NGC 253 and resolved its locations of star formation down to the scale of a molecular cloud, a star formation site with ...
Astronomy
Nov 6, 2017
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Nitrogen makes up approximately 78% of the air we breathe. But scientists have never fully understood how it came to be present in the atmospheres around Earth and other planets.
Earth Sciences
Apr 21, 2020
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The hypothesis that the Earth was completely covered in ice 635 million years ago has received a serious blow. The atmospheric concentration of CO2 during that period was much lower than previously thought, according to a ...
Earth Sciences
Oct 12, 2011
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