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The challenge for Friday, September 11, 2026

The four questions from that day on GutGuesser. The answers aren't here: you find them by playing.

1.How wide is the Moon?

Space · Source: NASA, ficha planetaria de la Luna

2.How far is it all the way round the Earth at the equator?

Nature · Source: Geodesia, WGS84

3.How many varieties of banana are there in the world?

Food · Source: Bioversity International, colección de Musa

4.How long ago was the dog domesticated?

History · Source: Genómica de la domesticación canina

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We don't publish the answers. Every day there are four new questions, one minute, and whoever gets closest wins.

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