astronomy 4 ch6.docx - Chapter 6: Astronomical Instruments...

This preview shows page 1 - 2 out of 2 pages.

Chapter 6: Astronomical InstrumentsFirst, recall the three things a telescope does:MagnifyGather lightResolve small detailsWhat are the two basic types of telescope (See Fig. 6.5)?What is the thing that gets hooked up to a telescope, to sense electromagneticradiation and record observations?How does each type of telescope gather light?That list of three things a telescope does - which of those things is/are influencedby the telescope'saperture, and which is/are influenced by the telescope'sfocallength? (Figs. 6.4 will help explain focal length.)What do we call the problem that a refracting telescope has with color? Does areflecting telescope have this same problem? What were some of the otherreasons why astronomers use mirrors instead of lenses to gather light in theirtelescopes?Why do some reflecting telescopes have asecondary mirror? If you had anamateur-sized refractor, say with an aperture of about 10 inches (25cm), whywouldn't you put the eyepiece at theprime focus?

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 2 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Winter
Professor
PaulOlejniczak
Tags
Astronomy, Astronomical, Hubble Space Telescope, Telescope, Refracting telescope, ASTRONOMICAL INSTRUMENTS

Newly Uploaded Documents

Show More

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture