One of the features JWST reveals so clearly in the Crab Nebula is the dense, spinning pulsar at the nebula's center. The pulsar isn't nearly as obvious in the Hubble image (on left).Hubble Image: NASA, ESA, J. Hester, A. Loll (Arizona State University); Webb Image: NASA, ESA, CSA, STScI, T. Temim (Princeton University).