According to observations by a team of astronomers from the National Astronomical Observatory of Japan (NAOJ), a supernova nearly destroyed the world about 4.6 billion years ago. The event occurred while the Solar System was forming, and according to the data collected, it could have destroyed everything around it.
In a study published in the scientific journal Astrophysical Journal Letters, astronomers explain that the research began after analysis of debris from the Solar System. Astronomer Doris Arzoumanian Evidence of the explosion has been detected in meteorites from the early development of the Solar System..
The scientists explain that the observed meteorites do not consist of aluminum evenly distributed in all parts, as they have an inhomogeneous radioactive isotope of aluminum. Supernovas have high levels of these isotopes, so they are believed to be related to the explosion of a massive star.
“In this work, we present simple analytical estimates of the effect of stellar feedback in the young solar system formed along a filament of a hub-filament system. The host filament affects the young Solar System both during star formation and evolution (star flux, wind and radiation) and at the end of their lives. We found that it can protect from (supernova) stellar feedback.”
Why didn’t the supernova destroy Earth?
As explained in the article, the death of a massive star near the Solar System may have been the cause of the so-called supernova. They claim that The Earth and Solar System could have survived a supernova thanks to a dense fiber of molecular gas.creating a shield that will act as a shield to suppress the shock wave caused by the supernova.
The team couldn’t confirm that the samples really came from a supernova, but it’s the most likely hypothesis. In this case, scientists The Solar System could be protected by the aforementioned filament; Even the filament that helps the formation process of our sun – probably, this is how the investigated meteorites spread throughout the universe.
While they do not confirm the hypothesis, they suggest that these filaments may have saved planets and stars in the Solar System should a supernova hit. “This scenario may have several important implications for our understanding of the formation, evolution and properties of star systems,” the researchers wrote.
Source: Tec Mundo

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