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Is this how Earth goes out, too? Scientists say sun will expand to 1,000 times its size and obliterate our planet instantly - after studying similar transition of a star in outer space

A dying star 57 light-years from Earth paints a picture for scientists at the University of California of how our planet could be obliterated when the sun swells to 1,000 the size.
United States Rho Coronae Borealis Stephenr Kane Rho Coronea Borealis Rho Cr Planetary Sciences

Human emissions increased mercury in the atmo

<p>Harvard researchers estimated that before humans started pumping mercury into the atmosphere, it contained on average about 580 megagrams of mercury. However, in 2015, independent research that looked at all available atmospheric measurements estimated the atmospheric mercury reservoir was about 4,000 Mg — nearly 7 times larger than the natural condition estimated in this study.</p> <p> </p>
United States Danielj Jacob Elsiem Sunderland Colin Thackray Benjamin Geyman Geophysical Research Letters

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