Supernova (IMAGE) American Museum of Natural History Caption A Hubble Space Telescope image of galaxy NGC 4424, which is about 50 million light years away, and close-ups of the type Ia supernova the research team observed. In the upper left, the difference in the brightness of the supernova is shown about a year apart. Credit NASA / Hubble Space Telescope Usage Restrictions Can be used with appropriate credit 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.