GCSE Physics
Space Physics
Space Physics is a core strand in Physics. Work through the topics below in any order, or follow your course — each guide includes explanations, common mistakes and exam-style practice.
Topic guides
Solar System & Orbits
Our solar system consists of the Sun, a star, orbited by eight planets, their moons, and other smaller bodies like dwarf planets, asteroids, and comets.
Open guideLife Cycle of Stars
Stars are formed from clouds of gas and dust (nebulae) that collapse under gravity.
Open guideRed-Shift & Big Bang
Red-shift is the observed increase in the wavelength of light from distant galaxies.
Open guide
Revision strategy
Students often slip on the details explained in our guides — read the “common mistakes” section in each topic.
- Alternate between reading a guide and doing timed questions — don’t only re-read notes.
- Return to this hub anytime; new guides appear automatically as we publish them.