Spain Pentagon-30cm eh-2-2

Day 5

A Star in Spain | Pentagonal Number Theorem | 20 days to go

It’s day five of our Christmas Advent Calendar and what would Christmas be without a star to wish upon? Of course there is a mathematical theorem to accompany this beautiful satellite imagery and it just happens to be one of Euler’s most profound discoveries! Captured with WorldView4 © European Space Imaging

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