Published in association with Royal Observatory Greenwich.
BIBLIOGRAPHY
Includes bibliographic references.
Summary
"2020 Guide to the Night Sky is the ideal resource for novices and experienced amateurs in the United States and Canada, and has been updated to include 16 more pages of even more new and practical information covering events to occur in North America's night sky throughout 2020. The book has all of the guidance, information and data that skywatchers need."--Amazon.