Science ❯ Astrophysics ❯ Stellar Evolution
Black Hole Formation Neutron Star Formation Dying Stars Metallicity in Stars SN 2014cx Element Recycling First Generation Stars Population III Stars Core-Collapse Supernovae Magnetar Flares Black Hole Types Neutron Star Mergers Stellar Black Holes Red Supergiants Black Holes Mass Loss in Stars Mass Ejection Events Star Formation Core-Collapse Supernova Stellar-mass Black Holes
Observatories traced the signal to a peculiar two-part galaxy beyond the Milky Way, prompting a campaign to measure its distance.