Antimatter emits the same electromagnetic spectrum as normal matter and would look identical visually.
the verdict
SUPPORTED
the evidence backs this
confidence 84/100
According to quantum theory and experimental spectroscopy on antihydrogen, antimatter exhibits the same energy levels, spectral lines, and electromagnetic interactions as normal matter.
Evidence for · 4
Characterization of the 1S-2S transition in antihydrogen.
2018 · cited by 31
Demonstrates that antihydrogen has energy levels and spectral lines consistent with hydrogen to high precision, supporting identical electromagnetic emission spectra.
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More for · 3
Laser cooling of antihydrogen atoms.
2021 · cited by 16
Shows successful laser manipulation and spectroscopy of antihydrogen transitions, confirming its expected spectroscopic properties.
Investigation of the fine structure of antihydrogen.
2020 · cited by 7
Confirms fine structure and Lamb shift measurements in antihydrogen match quantum electrodynamics predictions for normal matter.
Four ppm measurement of the antihydrogen ground-state hyperfine splitting.
2026 · cited by 0
Reports high-precision measurements of antihydrogen ground-state hyperfine splitting consistent with expectations for normal hydrogen.