What is in Our Solar System?
What is in Our Solar System?
The solar system contains the Sun and everything held in orbit around it by gravity. The Sun is a star, which is a hot ball of plasma undergoing nuclear fusion in its core. It is our nearest star, which is why it looks so much larger and brighter than any other star.
Step-by-step lessons on OCR GCSE Physics Beyond Earth. Each one builds up to exam-style questions. Paper 2 and Paper 4 include synoptic questions that draw on Topics P1–P4, so revisit earlier topics before final exams rather than treating each paper as self-contained.