... In the Center of Spiral M77 . ... M77: Spiral with a Strange Glow . ... But when photographed in the ultraviolet (UV), as shown above in false color, the galaxy sports an ultraviolet halo - shown as violet in the photograph. ... This is the mess that is left when a star explodes. ... In a report released yesterday and soon to be published in Nature, astronomers have imaged an interesting distant patch of sky with the orbiting Hubble Space Telescope. ... Sirius: The Brightest Star in the Night . ...