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5 Written questions

5 Matching questions

  1. At what point in a planetary orbit is that planet's speed the slowest?
  2. Which of the following characteristics of an astronomical telescope is the most important for determining the angular resolution?
  3. What evidence do we have that the Sun contains the element iron?
  4. In the geocentric model of the solar system developed by Ptolemy, the planets move
  5. The main reason for building large optical telescopes on the Earth's surface is to
  1. a in circular epicycles while the centers of the epicycles move in circular orbits around the Earth.
  2. b Solar spectra show absorption in spectral lines that are characteristic of iron and are unique to it.
  3. c at aphelion.
  4. d diameter of the objective lens or mirror.
  5. e collect more light from faint objects.

5 Multiple choice questions

  1. opposition.
  2. its synodic period.
  3. distance that light travels in one year.
  4. declination
  5. violet light has a shorter wavelength than red light.

5 True/False questions

  1. the energy flux, F, from a star is the amount ofSun-centered, with the planets moving in perfect circles around the Sun.

          

  2. The term retrograde motion from a planet refers to thetemporary reversal of the planet's normal west-to-east motion past the background stars as seen from the Earth.

          

  3. According to modern atomic theory, light emitted by atoms originates fromthe direction of an object's motion changes.

          

  4. The position of an element in the periodic table is directly related to thecelestial equator and the star, measured along a great circle passing through both celestial poles.

          

  5. In 1670 Isaac Newton performed a critical experiment on the nature of light when hetesting of prediction from a scientific theory or theoretical model.

          

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