June 12, 2026 5:23 PM

Study of stellar explosion could help refine cosmic distance measurements

Observations of a supernova discovered in a galaxy about 90.7 million light-years from Earth could help astronomers improve measurements of distances in the nearby universe, according to a study led by Indian researchers. The supernova, designated SN 2023zcu, was detected on Dec. 8, 2023, less than a day after the explosion occurred at the edge of the spiral galaxy NGC 2139. The study, published in The Astrophysical Journal was conducted by Monalisa Dubey, Kuntal Misra and Naveen Dukiya of the ...