Madrid. (EP) .- A team of researchers from Japan and the United States has found particles of dust comet on the surface of the Earth . This finding, which had not occurred ever, was held at the Antarctica when extracting ice the area to be studied.
In an article in Earth and Planetary Science Letters , the study’s authors stressed that “has not been easy to find samples of a comet”. Specifically, have had to drill the ice about 17 meters in the place known as Tottuki Point, and samples of the area were taken after the lab.
Also, collected particles floating around in the atmosphere, to which a sticky sheet is used. This method traps dust in the air, but leaves oils that dirty samples. Ice obtained after melt it in the lab and analyze it, has allowed scientists to find dust particles that initially believed belonged to a meteorite and finally determined to be chondritic-particles of interplanetary dust. That is, it was possible that its origin was a comet.
This is the first discovery of remnants of a comet on the surface of the Earth. In fact, before the discovery, scientists believed that the tiny dust particles never survive a trip through the atmosphere, much less to the harsh conditions that were presented once on Earth.
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