Astronomers using the Karl G. Jansky Very Large Array have captured a new view of a 20,000-year-old supernova remnant that resembles an endangered species – the Florida manatee (Trichechus manatus latirostris). The W50 supernova remnant in radio, green, against the infrared background of stars and dust, red (NRAO / AUI / NSF / K. Golap / M. Goss / NASA’s Wide Field Survey Explorer) The supernova remnant, known SNR G039.7-02.0 or the W50 nebula,...
