Explore deep space mysteries with this 2021 calendar!
The world's best-selling astronomy magazine brings you a calendar filled with dramatic images of nebulae, spiral galaxies, planets, star-forming regions, and other mysteries of deep space. Each month details planet visibility, meteor showers, conjunctions, and other observing opportunities, as well as moon phases and major astronomical events.
Bonus - The calendar also includes an illustration of the Voyager mission's grand tour!
National holidays and occasions are highlighted, and there is ample room to add notes and appointment reminders. Size: 13 x 10.5