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Wednesday 19 December 2018

Sapphires and rubies in the sky

Researchers have discovered a new, exotic class of planets outside our solar system. These so-called super-Earths were formed at high temperatures close to their host star and contain high quantities of calcium, aluminium and their oxides -- including sapphire and ruby.

from All Top News -- ScienceDaily https://ift.tt/2CmpguO

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