October 17, 2019 | 4:48 PM IST
evolution of life

Moon has clues to mysteries of Sun vital in decoding evolution of life

Astrophysicist at NASA’s Goddard Space Flight Centre, Prabal Saxena is of the opinion that the Sun’s violent outbursts four billion years ago spewed intense radiation, heat, high energy clouds and particles across the solar system. This helped seed life on early Earth by igniting chemical reactions that kept Earth warm and wet. It also prevented life from emerging on other worlds by zapping nourishment from them. 

Prabal said wondered why there is significantly less sodium and potassium in the lunar regolith or Moon soil than in Earth soil, when the Moon and Earth are made of largely the same stuff. 

The force of this crash sent materials spewing into orbit, where they coalesced into the Moon. The experts determined this by simulating the evolution of our solar system under a slow medium and then a fast-rotating star. The team found that just one version – the slow rotating star – was able to blast the right amount of charged particles into Moon’s surface to knock enough sodium and potassium into space overtime to leave the amounts we see in Moon rocks today.

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