2025 Guide to the Night Sky
This is the ideal resource for beginners and experienced stargazers in the United States and Canada, and has been updated to include new and practical information covering events occurring in North America's night sky throughout 2025.
This practical guide is both an easy introduction to astronomy and a useful reference for seasoned stargazers. Now includes a section on comets and a map of the moon.
Designed specifically for North America.
Written and illustrated by astronomical experts.
Content includes:
- Advice on where to start looking.
- Easy-to-use star maps for each month with descriptions of what to see.
- Positions of the moon and visible planets.
- Details of objects and events in 2025.
- Now in three editions: Britain and Ireland; North America; Southern Hemisphere.
The Royal Observatory, Greenwich is the home of Greenwich Mean Time and the Prime Meridian of the World, making it the official starting point for each new day and year. It is also home to London's only planetarium, the Harrison timekeepers and the UK's largest refracting telescope. It runs the annual Astronomy Photographer of the Year competition.