New, Third Type of Supernova Observed (IMAGE) University of California - Davis Caption Supernova 2018zd, marked with a white circle on the outskirts of galaxy NGC2146, is the first example of a new, third type of supernova predicted 40 years ago. Composite image with data from the Hubble Space Telescope, Las Cumbres Observatory and other sources. Credit Joseph Depasquale, STScI Usage Restrictions May be used with acknowledgement. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.