Alt Text:
An image of the quiescent elliptical galaxy NGC 4150, made with the Hubble Space Telescope. Star formation in this system has essentially shut down.
Title Text:
NASA, ESA, R.M. Crockett (University of Oxford), S. Kaviraj (Imperial College London & University of Oxford), J. Silk (University of Oxford), M. Mutchler (STScI, Baltimore), R. O'Connell (University of Virginia, Charlottesville), WFC3 SOC
