"Cosmic rays are charged particles that bombard the Earth's atmosphere from outer space. Studies suggest that [[cosmic rays]] may influence the amount of cloud cover through the formation of new [[aerosol]]s (tiny particles suspended in the air that seed cloud droplets)." <ref>http://www.pparc.ac.uk/Nw/cloud.asp</ref> | "Cosmic rays are charged particles that bombard the Earth's atmosphere from outer space. Studies suggest that [[cosmic rays]] may influence the amount of cloud cover through the formation of new [[aerosol]]s (tiny particles suspended in the air that seed cloud droplets)." <ref>http://www.pparc.ac.uk/Nw/cloud.asp</ref> |