MOSCOW, RUSSIA - OCTOBER 7, 2019: Postage stamp printed in Germany shows Radiation from black body and formula (Max Planck's Quantum Leap, Europa (

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MOSCOW, RUSSIA - OCTOBER 7, 2019: Postage stamp printed in Germany shows Radiation from black body and formula (Max Planck's Quantum Leap, Europa () 1994 - Discoveries and Inventions serie, circa 1994

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Size: 5343px × 3229px
Photo credit: © Alexander Mitrofanov / Alamy / Afripics
License: Royalty Free
Model Released: No

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