Post #371

Double take! 🤩 This image of M99 features data from two sets of observations made to study two entirely different astronomical phenomena. The first set of observations aimed to explore a gap between two different varieties of cosmic explosions, novae and supernovae, whereas the second set was part of a larger Hubble project to map the connections between young stars and the clouds of cold gas from which they form. Roughly 42 million light-years from Earth in the constellation Coma Berenices, M99 is known as a “grand design” spiral galaxy because of its well-defined and prominent spiral arms.