Download Chapter 5 Telescope Test

Chapter 5 Telescope Test
Astronomy
DIRECTIONS: Answer the following questions with the most complete
answer.
True/False:
1._____ Resolution is how clear an object appears.
2._____ Gamma bursts are equal in energy to the whole life of our solar system
3._____ Near infrared detects heat
4._____ Visible light is part of the electromagnetic spectrum
5._____ A Newtonian telescope has no secondary mirror
6._____ Newton used a telescope to make breakthroughs to begin modern
astronomy
7._____ The primary purpose of a telescope is to collect light
8._____ Radio telescopes are large because of the long wavelengths they receive
9._____ The larger the magnifcation the more light is allowed in the telescope
10.____ Optical telescopes reveal only black and white images for objects in
space.
Label the Following Diagrams:
a.
e. Type -
c.
d.
b.
a.
b. Type
c.
d.
Short Answers:
1. What is electromagnetic radiation?
2. List in order from longest to shortest wavelength the types of
electromagnetic radiation.
3. Why would astronomy limit itself if it only used optical telescopes?
4. Compare and contrast reflecting and refracting telescopes.
5. Choose one type of telescope that does not use visible light and
explain how it works.
6. What did you find most interesting in studying telescopes?
7. Explain the importance of emission spectra.
8. How are emission spectrums generated?
9. Explain how to observe an emission spectra of a specific atom and
what you might observe that would help you identify the element.
Fill In the Blank:
1. ____________uses a combination of mirrors and lenses to fold the
optics to form an image.
2. The ratio of the focal length of the telescope to its aperature is
called ____________/____________.
3. X-ray and Gamma ray telescopes are great for observing
____________/____________.
4. The distance from the lens to the point where the telescope is in
focus is called the_____________/______________.
5. In order to get better resolution, radio telescopes are placed in a(n)
_____________.
6. The Dobsonian telescope is a _______________ telescope.
7. The wavelength of ____________ is about the size of a bee.
8. The giant Keck telescope is a _______________ telescope.
9. Doppler uses _____________ waves.
10. The microwave image that suggests evidence of the Big Bang is called
the __________ image.
11. X-rays from space are observed by their ___________ rather than
their ______________.
12. The energy trapped by a _____________ telescope passes right
through the telescope.
13. The wavelength of ____________ is about the size of a atomic nuclei
14. The VLA telescope is a(n) _____________ telescope.
cobe, radio, wavelength, frequency, reflecting, refracting, gamma,
x-ray, focal length, array, energy, newtonian, cassegrain,
catadioptrics, coude, focal ratio, microwave, visible light, uv, black
holes, blasts