How high would one have to be to see the curve of the Earth?

Subject: How high would one have to be to see the curve of the Earth?

Date: Sun Jan 27 15:09:38 2002
Posted by Isaac
Grade level: grad (science) School: Northstar Institute
City: Madison Heights State/Province: Michigan Country: United States
Area of science: Astronomy
ID: 1012162178.As

Message:


Assuming a planet had a clear or non-existant atmosphere, and it was nighttime, 
how high up would one have to be to actually, and clearly, see the curve of an 
Earth-like planet against the backdrop of space & stars?

Re: How high would one have to be to see the curve of the Earth?

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