>Ross A. Finlayson wrote:
[...]
>Also, on Mercury, as it doesn't spin as it revolves around the Sun but
>points
>towards it, half of Mercury is always pointed towards the Sun and the other
>half
>dark, like Earth's Moon.
[...]
Er, that's not right. Mercury does have a rotation, albeit a slow one.
See http://www.astro.lsa.umich.edu/users/iotm/IOTMS/9611/spin.html
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