0 2 4 6 8 10 12 13.8 billions of years after creation 0 2 4 6 8 10 12 13.8 billions of years after...
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0 2 4 6 8 10 12 13.8 billions of years after creation 0 2 4 6 8 10 12 13.8 billions of years after creation CMB temperature (°K) CMB temperature (°K) 00
0 2 4 6 8 10 12 13.8 billions of years after creation 0 2 4 6 8
10 12 13.8 billions of years after creation CMB temperature (K) CMB
temperature (K) 00 55 1010 1515 NASA S. Muller et al, A&A 551
(2013), id. A109
Slide 2
Unique Time to Observe NASA If were created earlier, creation
light lacks time to reach us. If were created earlier, creation
light lacks time to reach us. If were created later, dark energy
expands the universe at greater than lights velocity. If were
created later, dark energy expands the universe at greater than
lights velocity.
Slide 3
Only at 13.8 billion years after the cosmic creation event can
humans observe all of cosmic history and directly witness the
cosmic creation event. NASA/Hubble Heritage Team STScI/AURA Why so
old?