Question 15
HThe Figure shows how much of each type of electromagnetic radiation from space reaches sea level on the Earth.
Figure
a.[1]
Use the Figure to give the two types of radiation that pass through the atmosphere most easily.
b.[2]
Use the Figure to explain why telescopes that detect gamma rays must be placed in space.
c.[2]
Some infrared telescopes are carried in aircraft that fly at a height of 12 km.
Suggest why.
d.[3]
Optical telescopes on the ground can detect visible light. However, their images are less clear than images from optical telescopes in space.
Explain why.
7.3 Stars Questions
75 exam-style questions on Edexcel GCSE Physics 7.3 Stars, covering 7.3.1 Evolution of stars similar to the Sun, 7.3.2 Evolution of massive stars, and 7.3.3 Observing the Universe. Each one has a worked solution and a mark scheme showing where the marks go.