Loading...
✕
About The Club
Club History
How to find us
Membership information
Outreach
Gallery
Junior members
Club legal information
FAQ
Donations
What's On?
When do we meet?
Calendar of Events 2024
External events
Space News
Training Courses
The Peter Bolas Observatory
The Peter Bolas Observatory
Peter Bolas
The Rosliston Space Sapling
The Build
WIth grateful thanks to
Let's explore the Night Sky
Beginners
Explore the planets
Discover the moon
Simple Astrophotography
The Messier Objects
Telescope Basics
Observing the night sky
Useful Software
Glossary of Astronomy Terms
Contact Us
Special Interest Groups
Latest Astronomy Science
Astrophotography
Spectroscopy
Variable Stars
Member's Corner
Member's Resources
Tutorials
Log out of Member's Corner
Glossary J
In this section
Back to Glossary Main Page
Glossary J
