Tree Rings May Hold Clues to Impacts of Distant Supernovas on Earth
Massive explosions of energy happening thousands of light-years from Earth, known as supernovas, may have left traces in our planet’s biology and geology, such as tree rings, according to new research by CU Boulder geoscientist Robert Brakenridge. The study, published this month in the International Journal of Astrobiology, probes the impacts of supernovas, some of the most ...
