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2019-06-20: The Quasar from The Beginning of Time

  • 04:53: ... spectrograph takes incoming light and breaks it into its component wavelengths, similar to a prism, and it records how much energy is received at each ...

2017-06-07: Supervoids vs Colliding Universes!

  • 05:46: ... in layman's terms, they split the light from those galaxies into component wavelengths and determined the shift in the wavelengths of those spectra due to the ...
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