title: Astrophysics. Are most life-friendly stars older than the sun?
authors.forename: Robert
authors.initials: R
authors.lastname: Irion
mesh_terms: D055580:Astronomical Phenomena; D001256:Astronomy; D018534:Earth, Planet; D019418:Evolution, Chemical; D019419:Evolution, Planetary; D018559:Exobiology; D005118:Extraterrestrial Environment; D013995:Time