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Photons Traveling from Planets, Distant Stars and Even Galaxies
The discovery of the photon dramatically changed the way in which we understand our galaxy. For centuries, the way in which light travels was incredibly misunderstood. Now that we understand how photons operate, NASA is able to use this information to make groundbreaking observations about space. What Are Photons? To put it simply, photons are particles of light. For centuries, scientists could not...