universetoday.com
25% of Sun-Like Stars Could Host Earth-Sized Worlds - Universe Today
[/caption] A five-year survey of nearby solar-mass stars has provided astronomers with an estimate of how many stars of this type could have Earth-size planets. Andrew Howard and Geoffrey Marcy from the University of California Berkeley studied 166 G and K stars within 80 light-years of Earth, determining the number, mass and orbital distance of … Continue reading "25% of Sun-Like Stars Could Host Earth-Sized Worlds"