Coursebook 31.4 (9702 A Level) · Astronomy and cosmology

31.4Hubble’s law and the Big Bang

Syllabus section: The expanding Universe

Use redshift, Δλ/λ ≈ Δf/f ≈ v/c, and Hubble’s law, v ≈ H₀d, as evidence for an expanding Universe and the Big Bang theory.