Chart of the Heavens
These charts by Mark B. Peterson and Wil Tirion are simple to use at any time of the year, from anywhere in the world. They include detailed instructions, information, and advice to help you fully understand the stars and constellations. Laminated for durability.
Online Purchase Policies
No warranty is provided for items purchased online unless specifically mentioned in the item description above. However, any item purchased here online can be exchanged within 30 days if it is defective. Purchaser is responsible for return shipping and must receive an RMA number before returning a defective item. Otherwise no returns are accepted for online purchases.
Orders usually ship within 3 business days and are shipped by USPS or UPS. Transit time is typically 7-10 days.
After being loaded and dropped and bounced and loaded again it [our Digitarium Alpha 2] has performed flawlessly for over seven years. It has earned at least twice its purchase price and provided thousands of students and parents a wonderful learning experience.
— Max McKelvey, Oatland Island Education Center, Savannah, GA