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On 3-10-2015 12:57, Stephen wrote:
> On 10/3/2015 10:16 AM, clipka wrote:
>>> This is also true for our own Earth in fact. Local variations of the
>>> >gravitational field make the oceans' surface vary by several (tens of)
>>> >meters, sometimes over quite short distances.
>> I did know/that/ - but tens of meters is still quite a shot from a
>> kilometre.
>>
>
> It certainly is. Mind boggling actually.
That is indeed true. Tells something about the composition of the Moon's
interior.
>
>> But did you also know that fast-flowing rivers are higher in the middle
>> than at the banks - sometimes by as much as half a meter?
>>
>
> Not the value but I am sure you can see it, on some rivers.
>
>
Ah yes. I don't remember exactly why that is: something to do with the
drag along the border?
--
Thomas
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