Types of Telescopes & Types of Mounts
- Sky and Telescope – How to Choose a Telescope
- Orion Telescopes – Telescopes
- Orion Telescopes – Mounts & Tripods
All About Stars
- National Schools’ Observatory – Life Cycle of a Star
- The Physics of the Universe – What Different Types of Stars Are There?
- Wikipedia – Pulsar
- Wikipedia – Black Hole
Telescope Optical Properties and Relationships
- Cosmic Pursuits – The Five Numbers That Explain a Telescope
- Tele Vue Optics – Telescope Formulas, Common Telescope Myths
- Constellation Guide – Spring Constellations
- In-The-Sky.org – Free Online Planetarium
- We also recommend using an app on your smart phone or tablet to assist you with seeing what is up in the sky. There are many options, including some that are free.