Sentences with phrase «of planetary surfaces»

The cities must be fueled in a safe, healthy, and environmentally attractive way for their own sake and to preserve the rest of the planetary surface.
«If breakdown weathering occurs on the moon, then it has important implications for our understanding of the evolution of planetary surfaces in the solar system, especially in extremely cold regions that are exposed to harsh radiation from space,» says coauthor Timothy Stubbs of the NASA Goddard Space Flight Center.
The moon appears to be a tranquil place, but modeling done by University of New Hampshire and NASA scientists suggests that, over the eons, periodic storms of solar energetic particles may have significantly altered the properties of the soil in the moon's coldest craters through the process of sparking — a finding that could change our understanding of the evolution of planetary surfaces in the solar system.
There is essentially universal agreement that atmospheric CO2 is increasing as a result of the consumption of fossil fuels and that this should enhance the «greenhouse» effect leading to a warming of the planetary surface.
In an idle moment, while staring at a set of solar system data, it occurred to me that it might be interesting to display a set of planetary surfaces on an equal footing, where the overall texture of these worlds was visible (although topography is probably a more -LSB-...]
«Water plays a critical role in determining the tectonic behavior of planetary surfaces, the melting point of planetary interiors and the location and eruptive style of planetary volcanoes,» said Erik Hauri, a geochemist with the Carnegie Institution of Washington and lead author of the study.
«HAT - P - 11b, being so close to the star, is likely to have such a dynamic, cloudy atmosphere, which would allow the formation of huge thunderclouds, focusing the lightning activity to a certain regime of the planetary surface, such as the face of the planet, which was observed in 2009.»
In related studies, he uses space - based X-ray and gamma - ray instrumentation to determine the composition of planetary surfaces.
All of these planetary surfaces are exhibiting warming at the same time.
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