News & Events The Stanford Physics Department Annual Newsletter - 2024/25Recent NewsUpcoming EventsThe Stanford Physics Department Annual Newsletter - 2023/24Annual EventsPhD DefensesSpecial Events Toggle Special Events The Stanley Wojcicki Memorial Service and Scientific SymposiumCommencement 2024Past EventsApplied Physics/Physics Colloquium Toggle Applied Physics/Physics Colloquium Guidelines for HostsGuidelines for SpeakersColloquia Archives Main content start Faculty In the News Stanford Report: Cosmic rays come from exploding stars, say Stanford astrophysicists February 15, 2013