Crack Found In Earth’s Magnetic Shield

Posted: Nov 5 2016, 9:03am CDT | by , in Latest Science News


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Crack Found in Earth’s Magnetic Shield
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  • Cosmic ray shot from Sun may have cracked Earth’s shield

The suggested breach of the Earth’s line of defense from outer space was found by the GRAPES-3 experiment

As we speak the Earth may be vulnerable to dangerous matter from outer space. It seems the Earth magnetic shield may have cracked. The shield is the Earth’s first line of defense against outer space radiation.

How did we come to this conclusion of colossal proportions? We can credit the GRAPES-3 experiment with this new proposition. The GRAPES-3 experiment is a study of different rays which affect the Earth.

The study consists of a Cosmic Ray Laboratory (CRL) in Ooty, India. The lab contains two components; an array of 400 plastic scintillator detectors along with a large area muon telescope.

The GRAPES-3 experiment is led by Professor Sunil K.Gupta, who oversees a team of 30 scientists from 7 different universities from all over India, and 5 members are even from Japan.

According to the GRAPES-3 team the muon telescope observed a burst of galactic cosmic rays on the 22nd of June in 2015. The rays which recorded for about 20 GeV lasted for two hours.

The rays were shot from a giant cloud of plasma ejected from the Sun. The cloud originated from within the solar corona and moved with a speed of about 2.5 million km/hours.

The cloud of rays was then recorded to have struck the Earth. The collision resulted in a severe compression of Earth’s magnetosphere. The magnetosphere was cracked to such an extent its size went from 11 to 4 times the radius of Earth.

Subsequently a severe geomagnetic storm around the earth’s shield was triggered which led to an aurora borealis, which can be credited for radio signal blackouts in high latitude countries.

Basically the Earth's magnetic shield temporarily cracked and allowed lower energy galactic cosmic ray particles to enter.

This study has recently been published in Physical Review Letters.

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