Space/Science — HabitableZone

Space/Science » in reply to Help

An answer from an FAQ....

Here...

http://www.astro.ucla.edu/~wright/cosmology_faq.html#ct2

Basicly, it says that the object emitting the light (galaxy,quasar) has moved further away from us in the time it took the light to get here from where it used to be.

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