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The challenge for Monday, September 28, 2026

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

1.The sperm whale dives deeper than any other mammal. How deep does it go?

Animals · Source: NOAA Fisheries

2.How hot is the lava that comes out of a volcano?

Nature · Source: Vulcanología, lavas basálticas

3.How many years after the Great Pyramid did the last mammoth die?

History · Source: Dataciones de la isla de Wrangel

4.How many moons does Jupiter have?

Space · Source: IAU Minor Planet Center / NASA, satélites confirmados de Júpiter (2026)

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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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