Astronomy 🔭 about 1 year ago
SN 1006, a Type Ia supernova, first appeared in 1006 C.E., outshining Venus and remaining visible for weeks. This image, combining visible, radio, and X-ray data, shows its glowing debris field. Such supernovae help astronomers track cosmic expansion.
Credit: NASA, ESA, and Z. Levay (STScI)