Astronomy photographer of the year : collection 6.

"This sixth collection of glorious images from the Astronomy Photographer of the Year competition contains all 146 winning and shortlisted entries for 2017. Organized by the Royal Observatory Greenwich, sponsored by Insight Investment Management and partnered with BBC Sky at Night Magazine, the competition receives entries from photographers all around the world. With a foreword by Rebecca Roth, image coordinator and social media specialist at NASA's Goddard Space Flight Center, tis volume features more incredible views of our Universe, from auroral lightshows, eclipses and meteors to star clusters, nebulae and distant galaxies."--Provided by the publisher.