Space PhysicsDiagram

Circular vs Elliptical Orbits

Part of Orbits — GCSE Physics

This diagram covers Circular vs Elliptical Orbits within Orbits for GCSE Physics. Revise Orbits in Space Physics for GCSE Physics with 13 exam-style questions and 10 flashcards. This topic appears regularly enough that it should still be part of a steady revision cycle. It is section 3 of 5 in this topic. Focus on the labels, the relationships between parts, and the explanation that turns the diagram into an exam-ready answer.

Topic position

Section 3 of 5

Practice

13 questions

Recall

10 flashcards

📊 Circular vs Elliptical Orbits

Comparison of circular orbits (constant speed and distance) vs elliptical orbits (speed varies - faster when closer to central body)

Keep building this topic

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

What Keeps Objects in Orbit?Orbital Speed and Radius Falling Around the Earth Types of Artificial Satellites

Practice Questions for Orbits

What is a protostar?

A. A cloud of gas and dust in space
B. A star that is forming from a collapsing cloud of gas and dust
C. A star that has used up all its hydrogen
D. A star that has exploded as a supernova

1 markfoundation

Explain why a main sequence star remains stable (in equilibrium) for billions of years.

2 marksstandard

Quick Recall Flashcards

What is Low Earth Orbit (LEO)?

Orbit at 200-2000 km altitude with ~90 minute orbital period. Used for ISS, imaging, and Earth observation

What is a polar orbit used for?

Mapping - the satellite orbits at ~800 km altitude covering the whole Earth as the planet rotates beneath it

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What Keeps Objects in Orbit?

Orbital Speed and Radius