AQA A-Level Physics (7408) · AQA 7408
3.9 Astrophysics
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Astrophysics
- Explain how the observed redshift of light from distant galaxies provides evidence that th… (5 marks, Explain)
- Explain why scientists believe the universe will continue to expand forever, and describe … (5 marks, Explain)
- Explain how the life cycle of a star much more massive than the Sun differs from that of a… (5 marks, Explain)
- The universe is thought to have begun with the Big Bang approximately 13.8 billion years a… (5 marks, Explain)
- Describe the Big Bang theory of the origin of the universe. In your answer, include what t… (5 marks, Describe)
- Explain how the colour of a star can be used to determine its surface temperature, and des… (5 marks, Explain)
- Explain how the invention of charge-coupled devices (CCDs) improved astronomical observati… (5 marks, Explain)
- Describe the differences between how a refracting telescope and a reflecting telescope for… (5 marks, Describe)
- Explain why optical telescopes are often built on top of mountains or in space, rather tha… (5 marks, Explain)
- Explain why astronomers began building radio telescopes in addition to optical telescopes,… (5 marks, Explain)
- Explain why the development of space-based telescopes, such as those placed in orbit aroun… (5 marks, Explain)