Gamma-rays may have helped meteorites seed Earth with the building blocks of life

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Gamma-rays may have helped meteorites seed Earth with the building blocks of life
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Robert Lea is a science journalist in the U.K. whose articles have been published in Physics World, New Scientist, Astronomy Magazine, All About Space, Newsweek and ZME Science. He also writes about science communication for Elsevier and the European Journal of Physics. Rob holds a bachelor of science degree in physics and astronomy from the U.K.’s Open University. Follow him on Twitter @sciencef1rst.

Meteorites reveal how they brought space water to Earth

Yet how these molecules formed within meteorites in the first place has remained a puzzle — one that Yokohama National University astrobiologist and cosmochemist Yoko Kebukawa and her team think they may be on a path to solving, according to aIn previous experiments, Kebukawa and colleagues had shown that reactions between simple molecules, such as ammonia and formaldehyde, can synthesize amino acids and other macromolecules. But for this to happen, liquid water and heat would be required.

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