Back to Home

God & Science Forum Message

Forums: Atm · Astrophotography · Blackholes · Blackholes2 · CCD · Celestron · Domes · Education
Eyepieces · Meade · Misc. · God and Science · SETI · Software · UFO · XEphem
RSS Button

Home | Discussion Forums | God and Science | Post
Login

Be the first pioneers to continue the Astronomy Discussions at our new Astronomy meeting place...
The Space and Astronomy Agora
Equation For The Speed Of Light

Forum List | Follow Ups | Post Message | Back to Thread Topics | In Response To
Posted by Richard Ruquist on August 28, 2002 13:25:29 UTC

C=c/e**1/2 where c is the speed of light in vacuum, e is the normalized dielectric constant (its value in media divided by its value in free space) which is raised to the 1/2 power.

When e is greater than one, as in all media, the speed is less than the speed in vacuum.

In addition, evanescent waves, which are exponentials that are attenuated rather than propagated as waves, propagate faster than the speed of light.

I am afraid that your education is incomplete in this area.

Follow Ups:

Login to Post
Additional Information
Google
 
Web www.astronomy.net
DayNightLine
About Astronomy Net | Advertise on Astronomy Net | Contact & Comments | Privacy Policy
Unless otherwise specified, web site content Copyright 1994-2018 John Huggins All Rights Reserved
Forum posts are Copyright their authors as specified in the heading above the post.
"dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET"
are trademarks of John Huggins