Re: [OT] Astronomical Inquiry (actually another one)

G'day Tom,

>   Consider this, the diameter of the Earth's orbit is greater
>than the difference between the diameter's of the earth's and
>Mars' orbits.	Therefore the change in position of the Earth
>every 6 months will have a greater effect on how the constellations
>will look than going from the Earth to Mars will.   Without using
>instruments that can make precise measurments, you won't see any
>difference on Mars than on Earth.

Mmmm. so this would mean you could use the same 'traditional' means of
navigation (North star, southern cross etc) anywhere in the solar
system, yes?

Cheers

Beth

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Elizabeth Fulton
c/o CSIRO Division of Marine Research
GPO Box 1538
HOBART 
TASMANIA 7001
AUSTRALIA
Phone (03) 6232 5018 International +61 3 6232 5018
Fax (03) 6232 5199 International +61 3 6232 5199

email: beth.fulton@marine.csiro.au