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Magnetic Anomaly in New Mexico Reveals an Invisible Signature of Meteorite Impacts - ScienceAlert

Magnetic Anomaly in New Mexico Reveals an Invisible Signature of Meteorite Impacts - ScienceAlert

Magnetic Anomaly in New Mexico Reveals an Invisible Signature of Meteorite Impacts - ScienceAlert
Nov 23, 2021 47 secs

Meteor impact sites might seem like easy things to recognize, with giant craters in Earth's surface showing where these far-flung objects finally came to a violent stop.

Then, if the space rock makes it all the way to the ground, it collides with Earth, creating shatter cones, impact craters, and other tell-tale signs that a meteorite hit right here.

However, when a shockwave happens – like in a meteorite impact – there's a loss of magnetism, as the magnetic grains get a good blast of energy.

"Our data not only clarify how an impact process allows for a reduction of magnetic paleointensity but also inspire a new direction of effort to study impact sites, using paleointensity reduction as a new impact proxy."

Hopefully this new discovery will mean that scientists have another tool in their belt when it comes to finding impact sites, even ones that don't have the normal signs of impact, such as shatter cones or craters

Summarized by 365NEWSX ROBOTS

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