Tag Archives: BULLET POINTS

The Rochefort Limit.

Josh, 7, from London, writes:

Dear Hentzau,

            I went to the beach yesterday. The weather was nice. I had ice cream. When I was splashing around in the sea with my rubber ring wedged firmly around my waist to stop me sinking, I thought about the planets. Planets have rings, but they do not have to be prevented from sinking. Why do planet rings always go around the middle?

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