July 31, 2020
AN ELEMENTAL PROBLEM WITH THE SUN

For two decades, astronomers have argued over how much carbon, nitrogen and especially oxygen lie within our closest star — a dispute with implications for the entire universe.
A new debate is raging among astronomers over how much carbon, nitrogen and oxygen live within the Sun — a discussion with implications for the entire universe. Marc Pinsonneault, professor in the Department of Astronomy, weighs in for Knowable Magazine.