MadSci Network: Astronomy
Query:

Re: who first discovered that when we look a the stars we look backin time

Date: Sat Aug 31 14:08:10 2013
Posted By: Matthew Buynoski, Process Integration Engineer (retired)
Area of science: Astronomy
ID: 1377879625.As
Message:

Hello, Kevin...

    This was known to be the case as soon as the speed of light was shown to be finite. That was 
accomplished by Roemer in 1676, who observed the timing of the eclipses of the satellites of Jupiter to do 
it.  See this Wikipedia article for more details:

        http://en.wikipedia.org/wiki/RÝmer's_determination_of_the_speed_of_light




Current Queue | Current Queue for Astronomy | Astronomy archives

Try the links in the MadSci Library for more information on Astronomy.



MadSci Home | Information | Search | Random Knowledge Generator | MadSci Archives | Mad Library | MAD Labs | MAD FAQs | Ask a ? | Join Us! | Help Support MadSci


MadSci Network, webadmin@madsci.org
© 1995-2006. All rights reserved.