Skip to content

Home
Subjects
Past Papers
Key Terms

My Courses

Select your courses

Subjects

History
Geography
Biology
Chemistry
Physics
Mathematics

Resources

Browse Courses
Past Papers
Key Terms & Definitions
Pricing

About

Sign Up
Log In
Privacy Policy
Terms of Service

© 2026 GradeGen.AI

Not affiliated with any exam board.

Receding galaxy — OCR Physics A Definition | GradeGen.AI

Courses
Physics A
Key Terms
Receding galaxy

GCSEOCRJ249

Receding galaxy

Key term for OCR GCSE Physics A, used in Beyond Earth.

Definition

A galaxy that is moving away from the observer on Earth.

Exam Context

Receding galaxy appears in OCR GCSE Physics A revision content for Global challenges, especially Beyond Earth and Red-shift.

Global challenges Beyond Earth Red-shift

Found in Revision Notes

Global challenges

Red-shift

Beyond Earth • Red-shift

Related Key Terms

Absorption spectrum Big Bang theory Doppler effect Expanding universe

Revise Physics A with GradeGen.AI

Create a free account to access OCR GCSE Physics A revision notes, track progress, and practise related key terms.

Sign Up to Start Revising Log In

Recessional speed

Visible spectrum