Universe is Dynamic
Hubble (1930) - everything moving away
It Was Smaller & Hotter Before (Really
Penzias & Wilson 1964 CMB Detection
Light Element Abundances (H, He, Li,)
BBN calculations (thermonuclear reactor)
Confirmed with Deuterium measurements
It Inflated (Bizarre)
Smooth on the largest scales but NOT
perfectly smooth
COBE 1992 full sky map CMB anisotropy
( scale l 20, 7 degrees)
Smoking Gun