Irregular galaxy NGC 1427A is being pulled out of shape by the tidal forces of the nearby Fornax clusterof hundreds or possibly thousands of galaxies. (Credit: NASA, ESA, and The Hubble Heritage Team (STScI/AURA))

Irregular galaxy NGC 1427A is being pulled out of shape by the tidal forces of the nearby Fornax clusterof hundreds or possibly thousands of galaxies. (Credit: NASA, ESA, and The Hubble Heritage Team (STScI/AURA))