Galaxies & the Universe
What galaxies & the universe means
The large-scale universe.
Before you start
Not confident yet? Work through Stars first.
Worked example
One question from this skill's own question bank, shown with its full working.
A galaxy is
- a huge collection of stars, gas and dust held by gravity
- a single planet
- a small moon
- a type of comet
Working: Galaxies contain billions of stars bound by gravity.
Curriculum and exam alignment
Curriculum notes are a general guide to where this work normally sits. Always check the syllabus your school or examination body is currently using.
Related skills
Other Stars & Galaxies skills in Astronomy, at the same point in the course.
Other Astronomy topics
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Practise galaxies & the universe
6 questions with a worked answer after every attempt, and a SmartScore that tracks how close you are to mastery.