Space PhysicsStudy Notes

Red shift — evidence for expanding universe

Part of Life Cycle of Stars · GCSE GCSE Physics revision

This study notes covers Red shift — evidence for expanding universe within Life Cycle of Stars for GCSE Physics. Revise Life Cycle of Stars in Space Physics for GCSE Physics with 13 exam-style questions and 12 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 2 of 15 in this topic. Use this study notes to connect the idea to the wider topic before moving on to questions and flashcards.

Topic position

Section 2 of 15

Practice

13 questions

Recall

12 flashcards

GCSE Physics revision: red shift and expanding universe — wavelength stretching from distant galaxies
Explore this diagram interactively on PrepWise — click each part to reveal exam tipsExplore free →

Figure: Red shift — evidence for expanding universe

Keep building this topic

Read this section alongside the surrounding pages in Life Cycle of Stars. That gives you the full topic sequence instead of a single isolated revision point.

Practice Questions for Life Cycle of Stars

The light from a distant galaxy is red-shifted. What does this tell us about the galaxy?

  • A. The galaxy is moving towards us
  • B. The galaxy is moving away from us
  • C. The galaxy is stationary
  • D. The galaxy is getting smaller
1 markfoundation

Explain what red-shift is and what it tells us about a distant galaxy.

2 marksstandard

Quick Recall Flashcards

What is a protostar?
Material that heats up as it collapses from a nebula, but is not yet fusing hydrogen
What is a nebula?
A cloud of gas and dust where gravity pulls material together to form new stars

13 questions on Life Cycle of Stars — practise free

Instant marking, adaptive difficulty, and 12 spaced repetition flashcards. Free until your GCSEs.

Try PrepWise Free