2009/07/21 by Owen Gingerich · 1 citation
Physics and Astronomy · Decision Sciences · #Space Science and Extraterrestrial Life #scientometrics and bibliometrics research #Copernicus #Biology #Astrobiology
paper · doi:10.1073/pnas.0907491106
openalex publication_date 2009/07/21 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/15
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans the biological, physical, and social sciences.