The first study, led by U-M researcher Jie (Jackie) Li and published in Science Advances, finds that most of the carbon on Earth was likely delivered from the interstellar medium, the material that exists in space between stars in a galaxy.
Read more at Physics.org: https://phys.org/news/2021-04-stardust-pale-blue-dot-carbon.html?fbclid=IwAR3cvNhGA6MHSd4QtO8K1CiCk6uUrFCngrEIOeFnql1yNyAnujM7kEzeenc
