Astronomers studying the binary star system NGC3603-A1 with Hubble Space Telescope data.

Astronomers discover one of the most massive binary stars in the galaxy | AI News Digest

Published: August 29, 2025, 7:06 p.m. Science Positive

Astronomers have identified NGC3603-A1 as one of the most massive binary star systems in our galaxy, featuring stars weighing 93 and 70 solar masses. These stars orbit each other every 3.8 days, showcasing a dynamic relationship that influences their evolution. The discovery was significantly advanced by undergraduate Sarah Bodansky, who detected key spectral features in archival Hubble data. This binary system, located in the star-forming region NGC 3603, offers insights into massive star evolution and the formation of binary black holes. The findings highlight the importance of collaborative research and innovative thinking in astronomical discoveries.

AstronomyBinary StarsHubble Space TelescopeStellar EvolutionGravitational Waves