Courtesy: Classical Numismatic Group, Inc
He had barely finished, when gentle Venus stood in the midst of the senate, seen by no one, and took up the newly freed spirit of her Caesar from his body, and preventing it from vanishing into the air, carried it towards the glorious stars. As she carried it, she felt it glow and take fire, and loosed it from her breast: it climbed higher than the moon, and drawing behind it a fiery tail, shone as a star.
(BOOK XV (15) METAMORPHOSES by OVID)
http://www.mythology.us/ovid_metamorphoses_book_15.htm