Re: [Phys-L] Sound waves in space?

[Dr Keith S Taber <kst24@cam.ac.uk>]

Wow, not even in km!

K

On 23/03/2013 16:49, John Denker wrote:
> On 03/23/2013 09:38 AM, Dr Keith S Taber wrote:
> > If 'space' /*is*/ defined technically/operationally, then where does it begin?
> Operationally:  If the sky is black and stars come out in the daytime,
> you're in space.   (Eclipses don't count.)
>
> Technically or at least officially:  It begins 50 miles up.  This is the
> US criterion for awarding "astronaut wings".
>    http://en.wikipedia.org/wiki/Outer_space#Boundary
>
> _______________________________________________
> Forum for Physics Educators
> Phys-l@phys-l.org
> http://www.phys-l.org/mailman/listinfo/phys-l


--


Dr. Keith S. Taber
Chair: Science, Technology & Mathematics Education Academic Group
University Reader in Science Education
University of Cambridge Faculty of Education


Editor: Chemistry Education Research and Practice
(Published by the Royal Society of Chemistry)
http://www.rsc.org/publishing/journals/rp/about.asp


Book Reviews Editor: Studies in Science Education
http://www.tandf.co.uk/journals/titles/03057267.asp



http://www.educ.cam.ac.uk/staff/taber.html

https://camtools.cam.ac.uk/access/wiki/site/~kst24/index.html



Science Education Centre
University of Cambridge Faculty of Education
184 Hills Road
Cambridge CB2 8PQ
United Kingdom


ECLIPSE -
Exploring Conceptual Learning, Integration and Progression
in Science Education
https://camtools.cam.ac.uk/wiki/eclipse/Eclipse.html