This is really not an answer at all, it borders on insulting. In fact, it is almost worthy of a complaint, but I shall not be making one in this case.

Please give your real calculation, using real physics and real numbers for the discrepancy in the mass/density/whatever of Mars. I'm sure it's a good deal simpler than calculating the Earth's precession of equinoxes. Give it a try.

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Microsoft is over if you want it.

The bar has been lowered for the promotion of ATM ideas; the bar for the acceptance of ATM ideas must remain high.