Overview

• The Compton Spectrometer and Imager (COSI) will launch in August 2027 on a Falcon 9 rocket from Cape Canaveral.
• COSI will investigate the creation and destruction of matter and antimatter, and map nucleosynthesis sites in the galaxy.
• The mission will also detect short gamma-ray bursts and study gamma-ray polarization.
• NASA awarded SpaceX a $69 million contract for the launch, the only rocket certified for the mission's unique orbit.
• The mission involves collaboration between multiple institutions including UC Berkeley, UC San Diego, and NASA's Goddard Space Flight Center.