Answer:
This helps us because we cannot see stars very well from earth, we need some help. So, with all these tools we can see the power and heat of a star from earth and we do not need to go to space.
Hope This Helps!
How does it help us find out the make-up of stars? electromagnetic radiation
Step-by-step explanation: astronomers observe the wave lengths by putting telescopes on mountain tops and take results of what they are seeing
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