Mini meteorites have been found on roof tops in Oslo
Researchers examining tiny rocks collected from rooftops across Norway found evidence the small particles could be mini meteorites from space.
After trawling through 300kg of debris, researchers in Oslo discovered isolated micrometeorite based on their shape and magnetic properties, which contained chemicals rare to Earth.
Writing for Ars Technica, biology researcher John Timmer said: "From that 300kg, the researchers isolated 500 particles, all just a few hundred micrometers across, that looked like they were micrometeorites.
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The mini meteorites are new discoveries
From that 300kg, the researchers isolated 500 particles, all just a few hundred micrometers across
John Timmer, biology researcher
“Forty-eight of them were chosen for detailed analysis.
“All 48 of them appear to be genuine micrometeorites. They have levels of seven different elements that are similar to those in chondrites, a common class of interplanetary debris.”
The incredible discovery was made on a 50-year-old building in Oslo and scientists claim the star dust findings are recent as gutters are only cleaned every six years.
Now scientists believe this is proof the Earth is struck by approximately six tonnes of micrometeorites every day and every square metre of Earth gets hit around twice a year.
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Scientists believe this is proof the Earth is struck by approximately six tonnes of micrometeorites
Mr Timmer added: “Before you look at those numbers, get excited, and head up to the roof to grab your own little bit of stardust, it's important to keep this all in perspective.
“The research team had to sort through an average of nearly a kilogram of roof gunk just to find one object that was, typically, 300 micrometers across.
“But if that's worth it for you, by all means, head for the gutters.”
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