Space PhysicsStudy Notes

Red shift — Hubble's law

Part of Red Shift & Big Bang · GCSE GCSE Physics revision

This study notes covers Red shift — Hubble's law within Red Shift & Big Bang for GCSE Physics. Revise Red Shift & Big Bang 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 Hubble's law — recession velocity increases with distance

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Figure: Red shift — Hubble's law

Keep building this topic

Read this section alongside the surrounding pages in Red Shift & Big Bang. That gives you the full topic sequence instead of a single isolated revision point.

The Universe is Running Away Red Shift — Light from a Moving Source Evidence for an Expanding Universe The Big Bang Theory

Practice Questions for Red Shift & Big Bang

What is the orbital period of a geostationary satellite?

A. 90 minutes
B. 12 hours
C. 24 hours
D. 7 days

1 markfoundation

Explain why a geostationary satellite stays above the same point on Earth's surface.

2 marksstandard

Quick Recall Flashcards

What is blue shift?

When a light source moves towards you, waves are compressed, shifting towards the blue end of the spectrum

What is red shift?

When a light source moves away from you, light waves are stretched to longer wavelengths, shifting towards the red end of the spectrum

13 questions on Red Shift & Big Bang — practise free

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

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The Universe is Running Away

Red Shift — Light from a Moving Source