Comets contributed to Earth’s atmosphere, says study of 3 billion-year-old minerals
May 18, 2017, Press release on the publication “G. Avice, B. Marty, and R. Burgess. The Origin and Degassing History of the Earth’s Atmosphere Revealed by Archean Xenon (May 2017). Nature Communications 8 : 15455.” on Phys.org.