ANTARCTICA - Researchers have found dust from an exploded star, or supernova, in snow from Antarctica, according to a study published this month.
The discovery could provide lessons about the solar system’s history and place in its surrounding environment, the study, published August 12 in the Physical Review Letters, said.A supernova occurs when a star explodes and produces clouds or gas and dust enriched with radioisotopes. Some of that dust from one or more stars that exploded within the last 20 million years fell to Earth sometime in the past 20 years, according to the study.
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Source: Fox6now.com