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Re: starship-design: Re: Telescopes in Orbit

In a message dated 7/7/97 11:23:40 PM, lparker@cacaphony.net (L. Parker)

>I have been thinking about this telescope idea, apertures and resolving 
>power. The recent launch of HALCA in February made me wonder. HALCA works 
>in concert with ground-based telescopes, allowing astronomers to simulate 
>a dish with a diameter as large as 28,000 kilometers and a resolving 
>power-the ability to detect fine details-more than 100 times higher than 
>that of the Hubble Space Telescope. Of course it is limited by the radius 
>of its orbit plus or minus one earth diameter.
>So the question is: what exactly is the distance between the leading 
>LaGrange point and the trailing LaGrange point? It would be awfully 
>convenient if it was 300,000 km....
>Lee Parker

Closer to 500,000 km I think.