(Phys.org) —The dramatic geological events that created opal, Australia's national gemstone, have been described for the first time by a University of Sydney researcher.
Earth Sciences
May 31, 2013
0
0
There are easier places to make wine than the spectacular, desolate landscapes of southeast Turkey, but DNA analysis suggests it is here that Stone Age farmers first domesticated the wine grape.
Other
Nov 27, 2012
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0
A new map of Mars is changing the way we think about the planet's watery past, and showing where we should land in the future.
Planetary Sciences
Aug 23, 2022
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282
It is a scientific certainty that Mars was once a much different place, with a denser atmosphere, warmer temperatures, and where water once flowed. Evidence of this past is preserved in countless surface features, ranging ...
Planetary Sciences
Aug 18, 2023
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148
(PhysOrg.com) -- Rocks on Mars dug from far underground by crater-blasting impacts are providing glimpses of one possible way Mars' atmosphere has become much less dense than it used to be.
Space Exploration
Mar 9, 2011
9
0
Carbon capture will play a central role in helping the nations of the world manage and reduce their greenhouse gas emissions. Many materials are being tested for the purpose of capturing CO2. New results show that ordinary ...
Materials Science
Apr 8, 2015
0
23
(PhysOrg.com) -- NASA's Mars Opportunity rover is getting important tips from an orbiting spacecraft as it explores areas that might hold clues about past Martian environments.
Space Exploration
Dec 16, 2010
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0
It was always believed that water is "squeezed" out of the clay structure under pressure but physicists at Umea University in Sweden together with German colleagues show that this appear to be not always true if excess of ...
Materials Science
Mar 27, 2013
1
0
Recent orbital and rover missions to Mars have turned up ample evidence of clays and other hydrated minerals formed when rocks are altered by the presence of water. Most of that alteration is thought to have happened during ...
Space Exploration
Dec 14, 2015
1
24
Meanwhile, back in Meridiani Planum … the Opportunity rover keeps on trucking, and has now exceeded over 35 kilometers (21.75 miles) of driving on its odometer! Quite an accomplishment for the Energizer Bunny of Mars rovers, ...
Space Exploration
Sep 3, 2012
4
1
