Coronado Varsity Astronomy: Semester 1 Pretest

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Coronado Varsity Astronomy: Semester 1 Pretest

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Questions and Answers
  • 1. 
     1.  The term Zodiac refers to 
    • A. 

      The light from Saturn's rings

    • B. 

      A method for making astrological predictions

    • C. 

      A group of constellations lying near the ecliptic

    • D. 

      The head of the Celestial Empire

    • E. 

      All constellations named after animals

  • 2. 
    In current scientific opinion, Stonehenge is considered to have been
    • A. 

      The site of ancient fertility rite

    • B. 

      An ancient burial ground

    • C. 

      All answers are acceptable

    • D. 

      an astronomical observatory.

    • E. 

      The site of early Christian rituals

  • 3. 
    If the Moon is very close to a certain star in the sky, how long will it be before the Moon is again close to the same
    • A. 

      24 hours

    • B. 

      One year

    • C. 

      One week

    • D. 

      one month

    • E. 

      23 hours 56 minutes

  • 4. 
    In ancient times, how did people primarily tell the difference between planets and stars?
    • A. 

      The planets moved relative to the stars.

    • B. 

      None of the other answers is correct

    • C. 

      The planets looked bigger.

    • D. 

      The planets showed phases.

    • E. 

      The planets didn't twinkle.

    • F. 

      All answers correct

  • 5. 
     Most Greek astronomers believed that the Earth is immobile but they could not explain with their theories.
    • A. 

      Eclipses of the Sun

    • B. 

      Retrograde motion of the planets

    • C. 

      All of the other answers are correct.

    • D. 

      Stellar motion.

    • E. 

      Parallaxes for the stars.

  • 6. 
    A planet moves fastest in its orbit 
    • A. 

      when it is in opposition.

    • B. 

      when it is closest to the Sun.

    • C. 

      The greater its mass.

    • D. 

      When it is farthest from the Sun

    • E. 

      The closer it is to its satellites.

  • 7. 
    In the geocentric concept if the universe, which direction does the celestial sphere appear to rotate about the stationary Earth? In the heliocentric universe, which direction does the earth rotate
    • A. 

      geocentric: east to west; heliocentric: west to east

    • B. 

      Geocentric: west to east; heliocentric: west to east

    • C. 

      Geocentric: west to east; heliocentric: east to west

    • D. 

      Geocentric: east to west; heliocentric: east to west

  • 8. 
    The rings of Saturn were discovered by
    • A. 

      Kepler

    • B. 

      Ptolemy.

    • C. 

      Copernicus

    • D. 

      Galileo

  • 9. 
    Aristotle concluded that the Earth is spherical from the curvature of its shadow on the
    • A. 

      Sun during a solar eclipse.

    • B. 

      Earth during a lunar eclipse

    • C. 

      Earth during a solar eclipse

    • D. 

      Moon during a lunar eclipse.

    • E. 

      Moon during a solar eclipse.

  • 10. 
    Sunspots were discovered by   
    • A. 

      Newton.

    • B. 

      Kepler

    • C. 

      Galileo.

    • D. 

      Copernicus.

  • 11. 
    Aristarchus argues
    • A. 

      For a flat Earth.

    • B. 

      For a heliocentric universe

    • C. 

      that planets move on epicycles.

    • D. 

      That the Sun is twice as large as the Moon

    • E. 

      For a geocentric universe

  • 12. 
     The higher the frequency of light
    • A. 

      The longer (larger) its wavelength

    • B. 

      The shorter (smaller) its wavelength

    • C. 

      The greater its velocity in a vacuum.

    • D. 

      the redder it will be

  • 13. 
    In order to account for the retrograde motion of the planets, Ptolemy introduced th
    • A. 

      Epicycle.

    • B. 

      Equant.

    • C. 

      Deferent.

    • D. 

      Center of eccentric.

    • E. 

      Ecliptic.

  • 14. 
    In the Copernican theory, day and night are accounted for by 
    • A. 

      The rotation of the Earth.

    • B. 

      The rotation of the celestial sphere.

    • C. 

      The revolution of the Sun about the Earth.

    • D. 

      The revolution of the Earth about the Sun.

    • E. 

      The rotation of the Sun.

  • 15. 
    Ptolemy and Copernicus both 
    • A. 

      Believed the Sun went around the Earth.

    • B. 

      Believed the Earth went around the Sun.

    • C. 

      Believed Mars would look faintest when at opposition.

    • D. 

      Used uniform circular motion to explain planetary motion.

    • E. 

      Made very accurate predictions of planetary motion

  • 16. 
    The Copernican model of the solar system allowed, for the first time, the measurement of 
    • A. 

      the relative distances of the planets.

    • B. 

      the mass of the Earth

    • C. 

      the relative masses of the planets.

    • D. 

      The distance of the Sun.

  • 17. 
     By using a Heliocentric model for the solar system, Copernicus was able to find for the first time the
    • A. 

      Distance to the Moon.

    • B. 

      Cause of tides in the Earth's oceans.

    • C. 

      Sidereal periods of the planets.

    • D. 

      Diameters of the planets.

    • E. 

      Synodic periods of the planets.

  • 18. 
     Which of the following planets never reaches opposition (as seen from the Earth)? 
    • A. 

      Venus

    • B. 

      Jupiter

    • C. 

      Saturn

    • D. 

      Mars

  • 19. 
    You are observing a star about 95 trillion km (10 lightyears) away. How old is the most recent information you can get about this star?
    • A. 

      300,000 seconds

    • B. 

      This can't be determined without having more information

    • C. 

      95 trillion seconds

    • D. 

      10 years

    • E. 

      100 years

  • 20. 
    Which of the following is the smallest? 
    • A. 

      The Earth

    • B. 

      The Universe

    • C. 

      A galaxy

    • D. 

      The Sun

  • 21. 
    The astronomer Tycho Brahe was known for his, 
    • A. 

      Use of the telescope

    • B. 

      Accurate observations of planet positions.

    • C. 

      Theory of epicycles.

    • D. 

      Observation of the Moon's features.

    • E. 

      measurement of the Earth's rotation.

  • 22. 
    The discovery that planets move in elliptical orbits with the Sun at the focus was made by
    • A. 

      Halley

    • B. 

      Giordano Bruno.

    • C. 

      Tycho Brahe.

    • D. 

      Kepler.

    • E. 

      Galileo.

  • 23. 
    Which of the following is NOT one of the four fundamental forces?
    • A. 

      Electromagnetism

    • B. 

      Gravity

    • C. 

      Strong nuclear force

    • D. 

      Weak nuclear force

    • E. 

      Angular Momentum

  • 24. 
    The four large moons around Jupiter were discovered by 
    • A. 

      Ptolemy.

    • B. 

      Kepler.

    • C. 

      Copernicus

    • D. 

      Galileo

  • 25. 
     If there had been no oceans on the Earth, the Earth's present atmosphere would be largely composed of 
    • A. 

      Water

    • B. 

      Nitrogen

    • C. 

      oxygen

    • D. 

      Carbon dioxide

    • E. 

      Carbon monoxide

  • 26. 
    An important cause of the slowing down of the Earth's rotation is the 
    • A. 

      tides caused by the gravity of the Moon.

    • B. 

      Pull of the Moon on the Earth's magnetic field.

    • C. 

      Pull of the Earth's equatorial bulge on the Moon.

    • D. 

      gravitational increase in the size of the Earth's orbit

    • E. 

      Pull of the Moon on the Earth's equatorial bulge

  • 27. 
    One side of the Moon always faces the Earth because the 
    • A. 

      Rotation rate about the Sun equals the revolution rate

    • B. 

      Moon does not spin on its axis.

    • C. 

      Revolution rate about the Earth equals the rotation rate.

    • D. 

      Earth always has the same side facing the Moon.

  • 28. 
     Total solar eclipses, when they occur, are visible from 
    • A. 

      a narrow path on the Earth

    • B. 

      Any place on the Earth.

    • C. 

      Any place on the Earth where the Sun is visible

    • D. 

      any place on Earth where the Sun and Moon are visible.

  • 29. 
    If the ecliptic and the orbit of the Moon were in the same plane
    • A. 

      We would see the entire surface of the Moon.

    • B. 

      the Earth would cease to precess.

    • C. 

      There would be a lunar eclipse each month.

    • D. 

      All answers acceptable

  • 30. 
     Name the planet which is largest in diameter.
    • A. 

      Jupiter

    • B. 

      Saturn

    • C. 

      Uranus

    • D. 

      Mercury

  • 31. 
    Which planets have mainly carbon dioxide for an atmoshphere?
    • A. 

      Jupiter and Saturn

    • B. 

      Venus, Mars, and Saturn

    • C. 

      Venus, Earth, and Mars

    • D. 

      Mars and Jupiter

    • E. 

      Venus and Mars

  • 32. 
      Most lunar craters were apparently caused by 
    • A. 

      We have no good ideas for their cause. 

    • B. 

      Bursting bubbles of gas from the interior

    • C. 

      Spacecraft landings.

    • D. 

      Meteoric impacts

    • E. 

      Volcanoes.

  • 33. 
     Which of the following has little or no atmosphere? 
    • A. 

      Earth

    • B. 

      Venus

    • C. 

      Jupiter

    • D. 

      Mars

    • E. 

      Mercury

  • 34. 
    • A. 

      Copernicus

    • B. 

      Ptolemy

    • C. 

      Newton

    • D. 

      Kepler

  • 35. 
    On which objects in the solar system have volcanoes been observed actually erupting? 
    • A. 

      Earth

    • B. 

      Earth, Mars, and Io

    • C. 

      Mercury, Earth, and Mars

    • D. 

      Moon, Earth, Mars, and Jupiter 

    • E. 

      Earth and Io

  • 36. 
     The two planets or dwarf planets whose orbits cross (i.e. one planet periodically gets closer to the Sun than the other planet) are 
    • A. 

      Mercury and Venus

    • B. 

      Venus and Earth

    • C. 

      Uranus and Neptune

    • D. 

      Neptune and Pluto

    • E. 

      Mars and Jupiter

  • 37. 
     The first person known to have looked at the heavens through a telescope was
    • A. 

      Tycho

    • B. 

      Galileo

    • C. 

      Ptolemy

    • D. 

      Newton

    • E. 

      Kepler

  • 38. 
    The distance between the Earth and the Sun is called:
    • A. 

      a kilometer

    • B. 

      an astronomical unit

    • C. 

      a parsec

    • D. 

       a lightyear  

  • 39. 
     A common cause of the bulging of a planet at its equator is its 
    • A. 

      density

    • B. 

      Composition

    • C. 

      rotation

    • D. 

      Revolution.

  • 40. 
    A planet will be most likely  to keep its atmosphere if it is
    • A. 

      Cold and has a strong gravitational field.

    • B. 

      hot and has a strong gravitational field.

    • C. 

      hot and has a weak gravitational field.

    • D. 

      None of the other answers is correct

    • E. 

      Cold and has a weak gravitational field

  • 41. 
     The planet whose surface looks most like the Moon is
    • A. 

      Mars

    • B. 

      Earth

    • C. 

      Venus

    • D. 

      Mercury

    • E. 

      No planet looks even remotely like the Moon

  • 42. 
     The observation that the surface of Venus is significantly hotter than the Earth's can be explained 
    • A. 

      by the fact that Venus rotates very slowly.

    • B. 

      Completely by the fact that Venus is closer to the Sun

    • C. 

      by the fact that Venus has no Moon to draw off heat.

    • D. 

      Mostly by the greenhouse effect and atmospheric pressure of Venus' atmosphere.

  • 43. 
    The surface of Venus has not been seen with telescopes on the Earth due to
    • A. 

      the great distance between the Earth and Venus

    • B. 

      Clouds on Venus

    • C. 

      Interplanetary dust.

    • D. 

      The glare of the nearby Sun.

  • 44. 
    On which planet have features been photographed that look like erosion patterns from flowing water? 
    • A. 

      Jupiter

    • B. 

      Venus

    • C. 

      Mercury

    • D. 

      Mars

  • 45. 
     The Great Red Spot on Jupiter apparently is 
    • A. 

      An illusion caused by the atmosphere acting like a lens.

    • B. 

      A hot area produced by falling matter from space.

    • C. 

      a result of a Moon pulling on the magnetic field.

    • D. 

        a long-lasting cyclonic system in the clouds.

    • E. 

      an updraft produced by winds hitting mountains.

  • 46. 
    Hydrogen, the simplest of the chemical elements, consists of 
    • A. 

      a single electron revolving around a single proton

    • B. 

      a single electron revolving around a single electron.

    • C. 

      A single proton revolving around a single electron.

    • D. 

      A single electron revolving around a single neutron.

  • 47. 
    Ceres, although originally believed to be a major planet, actually belongs to the group of objects called:
    • A. 

      asteroids

    • B. 

      Comets

    • C. 

      Meteorites

    • D. 

      Meteoroids

  • 48. 
     When were most of the hydrogen and helium found on Earth formed? 
    • A. 

      By the radioactive decay of uranium and iron

    • B. 

      When the collision of the earth with an asteroid killed the dinosaurs.

    • C. 

      When the Earth captured the Moon.

    • D. 

      When the universe was only a few minutes old.

    • E. 

      In the center of the Sun after it started to have thermonuclear reactions.

  • 49. 
    Which component of our Galaxy contains the largest amount of mass? 
    • A. 

      Population I stars

    • B. 

      Halo.

    • C. 

      Dark matter

    • D. 

      Nuclear bulge.

  • 50. 
    The planet discovered in 1930 by Clyde Tombaugh at the Lowell Observatory in Flagstaff, Arizona is 
    • A. 

      Mercury

    • B. 

      Pluto

    • C. 

      Uranus

    • D. 

      Neptune