MadSci Network: Astronomy

Subject: Up or down? North or South?

Date: Wed Sep 15 20:04:13 1999
Posted by Jim Seeley
Grade level: No grade entered. School: No school entered.
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Area of science: Astronomy
ID: 937440253.As

When the Earth is represented in texts, films, science programs, etc., the 
shown is always "north" at the top - "south" at the bottom.  The same is 
of representations of other planets.  They are always shown with the same 
up.  Since everything is floating in a much more vast Cosmos which can be
viewed from any angle, how do we know what is up and what is down?  Who 
that one?  Surely, aliens would not have our perspective.

Re: Up or down? North or South?

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