(Phys.org) —A constant stream of space debris flows toward Earth from the rest of the solar system. Large meteors can sometimes survive the intense friction and heat upon entering Earth's atmosphere, but by and large the ...
Earth Sciences
Apr 4, 2013
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Ice-blue clouds are drifting high above the Arctic, which means the Northern Hemisphere's noctilucent cloud season is here.
Environment
May 29, 2020
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(Phys.org) -- In both the Earth's Northern and Southern Hemispheres polar mesospheric clouds are at the peak of their visibility, during their respective late spring and early summer seasons. Visible from aircraft in flight, ...
Space Exploration
Jun 27, 2012
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