[VadeRetro]

What if Adam's eyes were detecting the slower, less-energetic cosmic rays?

Also, I think you mean "longer, less-energetic gamma rays." Cosmic rays are actually massive particles, not photons. All photons have the same speed, the energy difference being in the wavelengths.

[jennyp]

Also, I think you mean "longer, less-energetic gamma rays." Cosmic rays are actually massive particles, not photons. All photons have the same speed, the energy difference being in the wavelengths.

Oh, yeah. That's right.