Cambridge O Level Physics · Syllabus 5054 · Space Physics
Big Bang Model
What is Big Bang Model?
The Big Bang theory is the scientific model in which the Universe began from a much hotter, denser state and has been expanding ever since. Redshift observations of distant galaxies provide qualitative evidence supporting it.
This definition is part of the Space Physics chapter in Cambridge O Level Physics.
Last reviewed Syllabus 2026-2028

