How do astronomical tools enhance our understanding of the universe?
Compare and contrast the two main types of astronomical telescopes.
What are the parts of a refracting telescope?
What are the parts of a reflecting telescope and what are the arrangements?
What are the parts of the electromagnetic spectrum and how is each helpful in astronomy?
What were the first instruments attached to telescopes to aid observations?
What is a CCD and how is it used?
Describe a spectrometer and a photometer and their uses.

Question

How do astronomical tools enhance our understanding of the universe?
    Compare and contrast the two main types of astronomical telescopes.
    What are the parts of a refracting telescope?
    What are the parts of a reflecting telescope and what are the arrangements?
    What are the parts of the electromagnetic spectrum and how is each helpful in astronomy?
    What were the first instruments attached to telescopes to aid observations?
    What is a CCD and how is it used?
    Describe a spectrometer and a photometer and their uses.

anonymous · Answer

i already got the last two

anonymous · Answer

these are my review questions  btw

anonymous · Answer

i basically only need help on these
 How do astronomical tools enhance our understanding of the universe? Compare and contrast the two main types of astronomical telescopes.
 What are the parts of the electromagnetic spectrum and how is each helpful in astronomy?
What were the first instruments attached to telescopes to aid observations?