University of Hertfordshire

Hidden red dwarf discovered in dust of giant star

CW Leonis, a red giant star 500 times the size of the sun is located in the Leo constellation 300 light years away. This is an evolving star that is ejecting significant amounts of dust forming an enveloping cloud many times ...

dateJul 04, 2017 in Astronomy
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Airplanes make clouds brighter

Clouds may have a net warming or cooling effect on climate, depending on their thickness and altitude. Artificially formed clouds called contrails form due to aircraft effluent, in a cloudless sky, contrails are thought to ...

dateJun 22, 2016 in Earth Sciences
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