NASA/Sonoma State University/Aurore Simonnet |
In this illustration, one photon (purple) carries a million times the energy of another (yellow). Some theorists predict travel delays for higher-energy photons, which interact more strongly with the frothy nature of space-time. Yet new data on two photons from a gamma-ray burst fail to show this effect.
In this illustration, one photon (purple) carries a million times the energy of another (yellow). Some theorists predict travel delays for higher-energy photons, which interact more strongly with the frothy nature of space-time. Yet new data on two photons from a gamma-ray burst fail to show this effect.
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