Hubble's image shows NGC 3201, a globular cluster of stars discovered in 1826 by James Dunlop, noted for its size and irregular centre. This Hubble image shows RS Puppis, a Cepheid variable star that ...
ESA officials said in the statement, which accompanied the new Hubble image. Related: Hubble Space Telescope tells a starry 'tail' of 12 mingling galaxies The larger elliptical galaxy can be seen ...