General Questions
Our platform is designed for dedicated learners of all levels, from serious beginners to experienced amateur astronomers who wish to deepen their theoretical and practical knowledge. If you're looking for a rigorous, in-depth understanding of classical astronomy, you're in the right place.
We specialize in a deep, foundational approach to astronomy, with a unique focus on history, stellar physics, and manual calculation techniques. We provide a structured, comprehensive curriculum rather than a collection of disconnected tutorials.
Currently, we do not offer a free trial. However, we provide detailed descriptions and syllabi for all our modules so you can make an informed decision before subscribing. We are confident in the value and depth of our Celestial Pass.
Account & Billing
Your Celestial Pass subscription gives you unlimited access to all of our content. It is billed monthly on the date you originally signed up. You can manage your subscription, update payment information, or cancel at any time from your account settings.
We accept all major credit cards, including Visa, MasterCard, and American Express. All payments are processed securely through our payment provider.
Courses & Certificates
Yes, all of our content is available on-demand, allowing you to learn at your own pace and on your own schedule. You can revisit lessons as many times as you need to master the concepts.
We focus on the acquisition of knowledge and skills rather than formal certification. Therefore, we do not currently offer certificates of completion. Our goal is to provide a learning experience that is valuable for its own sake.