Of the roughly 420 extra-solar planets now known, about a dozen are in the newly named category of "super-earths," planets whose masses are in between of two and about fifteen earth-masses.
Astronomy
Jan 22, 2010
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(PhysOrg.com) -- Scientists have long wondered how tiny silicate crystals, which need sizzling high temperatures to form, have found their way into frozen comets, born in the deep freeze of the solar system's outer edges. ...
Astronomy
May 13, 2009
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(PhysOrg.com) -- The speed at which heat moves between two materials touching each other is a potent indicator of how strongly they are bonded to each other, according to a new study by researchers at Rensselaer Polytechnic ...
Nanophysics
Apr 13, 2009
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(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Brookhaven National Laboratory have developed a method for coating metal surfaces with an ultrathin film containing nanoparticles - particles measuring billionths ...
Nanomaterials
Mar 25, 2009
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Sinkholes are back in the news after a 13-year-old boy fell down a two meter deep hole in a waterlogged football field in Sydney over the weekend. The boy reportedly sank further into the hole every time he tried to push ...
Earth Sciences
Apr 8, 2024
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The ocean is a critical life-support system for our planet through its role in global climate regulation. It absorbs most of the carbon emissions and heat trapped in the atmosphere, which result from human activities. Over ...
Earth Sciences
Dec 6, 2023
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The oceanic barrier layer is situated between the base of the ocean's density mixed layer and the top of the isothermal layer, with its thickness fluctuations directly influencing the ocean's vertical mixing process. Changes ...
Earth Sciences
Oct 9, 2023
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Vertically stacking two-dimensional (2D) materials to form van der Waals homo- or hetero-structures has become an effective means for regulating their physical and mechanical properties. In particular, when a small twist ...
Nanophysics
Aug 28, 2023
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The evolution of Earth's climate contains many components. And new research has shown just how critical the ozone layer is to the surface temperature of the Earth. Without an ozone layer, our planet would be 3.5 Kelvin cooler.
Planetary Sciences
Jun 14, 2023
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A project led by Ella Hudson, Ph.D. Researcher at The University of Sheffield, seeks to ascertain the contribution of the hair cuticle to the mechanical properties of the whole fiber.
Bio & Medicine
Feb 17, 2023
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