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Lunar loser

If the moon were to disappear, how long would it take for...

1 July 2015

If the moon were to disappear, how long would it take for the tides to stop?

Martin McCann, Worcester, UK

We pay £25 for every answer published in 91av. To answer this question – or ask a new one – visit newscientist.com/lastword. Terms and conditions apply.

This article appeared in print under the headline “Lunar loser”

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