Bob Sciamanda
Physics, Edinboro Univ of PA (Em) http://www.winbeam.com/~trebor/
trebor@winbeam.com
----- Original Message -----
From: "Michael Edmiston" <edmiston@BLUFFTON.EDU>
To: <PHYS-L@LISTS.NAU.EDU>
Sent: Wednesday, January 25, 2006 1:04 AM
Subject: Re: Astronomy question
| . . .|
| I believe one of the biggest improvements over his style of instruments
| did not come until Galileo invented the telescope. Brahe used tubes or
| double rings or rings and points for aiming. Afer Galileo, the object
| sighting could be done with tubes containing lenses and that greatly
| improved the accuracy of aiming the instrument at the star being
| measured.
|
| Michael D. Edmiston, Ph.D.
| Professor of Physics and Chemistry
| Bluffton University
| Bluffton, OH 45817
| (419)-358-3270
| edmiston@bluffton.edu
|
_______________________________________________
Phys-L mailing list
Phys-L@electron.physics.buffalo.edu https://www.physics.buffalo.edu/mailman/listinfo/phys-l