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mars getting closer

Posted: Sat Aug 23, 2003 3:56 pm
by steve56
tonight on bbc2 theres a programme on about this planet being near earth for 60,000 yrs,wat date would that be cant work it out?

Patrick Moore writes:

Posted: Sat Aug 23, 2003 4:06 pm
by jj
A.D 62, 003, I guess.
They're all in eccentric orbits (a bit like you, then....), so the distance from Earth varies according to what point in their orbits around the Earth and/or Sun they are at.

Re: Patrick Moore writes:

Posted: Sat Aug 23, 2003 4:29 pm
by steve56
how on earth did you work it out jj?

Re: Patrick Moore writes:

Posted: Sat Aug 23, 2003 6:35 pm
by jj
I didn't: Newton/Kepler did.