A sextant is a measuring instrument used to measure the angle of elevation of a celestial object above the horizon..
Astronomy is the science involving the observation and explanation of events occurring beyond the Earth
History of astronomy
Astronomy is probably the oldest of the natural sciences, dating back to antiquity, with its origins in the religious practices of pre-history..
Welcome to Astronomy for Kids!
We are going to have a GREAT time exploring the universe we live in! Come along on our journey through the stars!
The Observatory: A Guide to Astronomy
Learn about Sun spots, Dark spots, some as large as 50,000 miles in diameter, move across the surface of the sun.
The Seti Star Maps
68 full scale star maps to visually locate the data being processed by the SETI@home screen saver!
This page is specifically designed for the non astronomer to learn about astronomy and providing pictures of the celestial skys in multiple wavelenghts.
From Stargazers to Starships
A high school level tutorial, focused on 3 topics,Astronomy of the Earth's motion in space, Newtonian mechanics, Spaceflight and spacecraft. Astronomy of the Earth's motion in space.