<Li> Jump up ^ Levy, David H. (2005). Deep Sky Objects . Prometheus Books . ISBN 1 - 59102 - 361 - 0 ((inconsistent citations)) </Li> <Li> ^ Jump up to: Wilkins, Jamie; Dunn, Robert (2006). 300 Astronomical Objects: A Visual Reference to the Universe (1st ed .). Buffalo, New York: Firefly Books . ISBN 978 - 1 - 55407 - 175 - 3 . </Li> <Li> Jump up ^ "When Stars Explode". www.eso.org . Retrieved 6 February 2017 . </Li> <Li> ^ Jump up to: Time and Calendars, William Matthew O'Neil </Li>

What is the virgo constellation supposed to look like