Tag Archives | behind


Scientists mull polarized light detection from alien life-forms

Like life on Earth, extraterrestrial life should create an environment with a large amount of molecules that favor one kind of handedness, and now, scientists at the National Institute of Standards and Technology (NIST) believe we may be able to identify life-harboring planets by looking for left- (or right-) handed reflected light from these planets. […]

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Metallic vapor behind noctilucent reflectivity?

An explanation for the radar reflecting property of noctilucent clouds – the thin, wispy clouds that hover at the edge of space at 85 km altitude – has been proposed by a plasma physicist from the California Institute of Technology (Caltech), possibly laying to rest a decades-long mystery. Noctilucent clouds, also known as night-shining clouds, […]

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