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ons, 24 maj 2017
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Quantum Quirks


© Einar Runar Sigurosson
Ice cave
© (ESO NAOJ NRAO) M. MacGregor
Alma Fomalhaut
© Fernando Famiani REX Shutterstock
Etna

The joy of flying
© Jason-DeCaires-Taylor
MUSA
© Marek Mis
Air

Theory and practice
© NASA
Mercury
© Honorio Cócera-La Parra
Copper-crystals

360 rainbow