Go to the patch of desert along the boundary of Egypt and Libya, and you may stumble on pieces of light glass, that the traces.

That glass, one notable slice which has been found in jewelry found in the tomb of King Tut, has been asserted to have roots. It’s also the main topic of a new study, which finds that a meteorite impact not likely created Libyan Desert Glass, perhaps not by an airburst of a distance stone. If the research holds up, it suggests that scientists studying the chance of asteroids may well not need to worry about the impacts on the earth of distance rocks that are high exploding in the air.

“Both meteorite influences and airbursts may cause melting,” lead author Aaron Cavosie, a geologist at Curtin University in Australia, said in a statement. “But, only meteorite impacts create shockwaves that form high pressure minerals, therefore finding proof prior reidite confirms that it was created as caused by a meteorite impact.”

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They knew that not or if the glass making distance stone hit the floor, it was large. However, Cavosie along with also his co author wanted to pin down perhaps at fault was an airburst or an impact. So they caused seven portions of their light glass appearing at them under a scanning microscope. That let the set have a closeup look over the glass, which develop structures that are different depending on what happens to them within the millennia.

That analysis indicated a number of the zircon crystals had been reidite, a mineral that only creates under specific highpressure circumstances that fit what does occur when a meteorite slams into Earth, but perhaps not if such a distance stone explodes in the atmosphere. (In a contact to Space.com, Cavosie added although scientists have not seen a crater to match the impact, there’s a great deal of sand in the area that could possibly be hiding this type of structure below the Peninsula )

Cavosie along with also his co-author hope what humans can do to protect ourselves and that news for defense pros, that give attention to the threat of asteroids. That’s because following the airburst in 2013, people had feared Libyan Desert Glass has been formed during a much, much larger airblast.

The geologists say that using the reidite found in Libyan Desert Glass, then that scenario is off the table. Combine that with the reality geologists have not tracked any signs of glass samples that are recent, and also the findings suggest that massive airblasts do not possess as serious of impacts on the earth as some people had feared.

Mail Meghan Bartels at mbartels@space.com or follow with her @meghanbartels. Inform us on Twitter @Spacedotcom and on Facebook.