“The whole universe shines at me” — CMB isotropy & light cone

View 1: CMB sphere and photons falling to the observer. View 2: light cone (time ↑, space →), ±45° bounds and emissions reaching “here & now”.

View: CMB sphere Galaxies Photons Mascot β (motion vs CMB): 0.003 Galaxies: 120 Photons: 200 Language:

Mode: Isotropy (CMB)

CMB sphere (last scattering) photons (color ~ Doppler for β) galaxies (Hubble flow — recession)