Tags: Galaxy.
NGC 5584 is a spiral galaxy more than 50000 light-years across that resides 72 million light-years away in the constellation Virgo.The blue areas the Hubble Space Telescope image are young stars the darker areas are dust lanes while the reddish spots and splotches are galaxies in the background.250 Cepheid variables have been observed in NGC 5584.The image is a composite of several exposures taken in visible light between January and April 2010 with Hubble’s Wide Field Camera 3.