Astronomy & telescopes glossary - U

Go Astronomy: From apo telescopes to zodiac constellations
Find Your Inner Astronomer...   
  ASTRONOMY GUIDE:   Planets & Solar System |  Constellations |  Deep Sky Objects |  Event Calendar |  Activities |  Astronomy Clubs & Orgs

 Types of Telescopes
 Choosing a Telescope
 Telescope Accessories
 Spotting Scopes

Astro Binoculars
 Types of Binoculars
 Choosing Binoculars
 Binocular Accessories

Software & Books
 Astronomy Software
 Star Charts & Maps
 Astronomy Books

< back to Glossary

Astronomy & Telescopes Glossary - U

Umbra - The area of total shadow during an eclipse.

Guide to Amateur Astronomy, Planets and Constellations

Copyright © 2006-2006-2017 All rights reserved.