A-Level
EDEXCEL
Physics
January 2022
18 Marks
QP-202201-Physics-U5 · Question 19
Question (excerpt):
Turn over 21 19 The astronomer Hertzsprung used parallax to determine the distances to some of the variable stars known as Cepheids. (a) Using parallax measurements, astronomers can determine d…
Turn over 21 19 The astronomer Hertzsprung used parallax to determine the distances to some of the variable stars known as Cepheids. (a) Using parallax measurements, astronomers can determine d…
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