[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: starship-design: Re: Perihelion Maneuver
> From: KellySt@aol.com
> In a message dated 11/24/97 12:31:47 PM, email@example.com wrote:
> >Actually not. Remember that resolution is proportional to the distance
> >from the observed object. A Voyager-like probe could fly by an
> >atmosphere-less planet a kilometer from its surface. That gives it
> >at least a 4x10^13 advantage in resolution compared to a Solar System
> >telescope. Assuming the Voyager-like probe had a camera with a 1cm
> >lens, the Solar System telescope would need to be at _least_
> >4,000,000,000 kilometers in diameter to equal it.
> I.E. about 10 light secounds. Lunar orbit is 3 light secounds, earth orbit
> is about 960 light secounds. So a 10 light secound array isn't that big of
> a deal. Certainly far cheaper and quicker then launching a interstellar
4,000,000,000 km / 300,000 km/s = 13,333 s = 3.7 hours.