In this image from March 13, 2023, NASA astronaut and Expedition 68 Flight Engineer Stephen Bowen holds a small pie that is festively decorated in commemoration of Pi Day aboard the International Space Station. March 14 marks the annual celebration of the mathematical constant pi, aka the Greek letter Ï€. Its infinite number of digits is usually […]
March 14, 2024
from NASA https://ift.tt/dnSs8WI
March 14, 2024
from NASA https://ift.tt/dnSs8WI
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NASA