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Re: Questions for Astronomy

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Who is cheating?

You did a cut-and-paste of the Questions...

and I did a cut-and-paste of the Answers:

http://faculty.etsu.edu/hensong/Astronomy1/ASTRI-Practice-Exam1.html










The Starmaker wrote:
> 
> 1. e
> 
>    2. d
> 
>    3. b
> 
>    4. b
> 
>    5. b
> 
>    6. a
> 
>    7. c
> 
>    8. d
> 
>    9. c
> 
>   10. b
> 
>   11. d
> 
>   12. b
> 
>   13. e
> 
>   14. a
> 
>   15. c
> 
>   16. d
> 
>   17. b
> 
>   18. b
> 
>   19. d
> 
>   20. c
> 
>   21. a
> 
>   22. c
> 
>   23. c
> 
>   24. a
> 
>   25. b
> 
>   26. e
> 
>   27. b
> 
>   28. d
> 
>   29. a
> 
>   30. a
> 
>   31. c
> 
>   32. c
> 
>   33. c
> 
>   34. c
> 
>   35. c
> 
> Sergio wrote:
> >
> > Practice Questions for Astronomy I – EXAM 1  (answers in a later post)
> >
> >     1. What is the maximum number of planets readily visible to the
> >
> >        naked eye on a given night?
> >
> >        a.  1
> >
> >        b.  2
> >
> >        c.  3
> >
> >        d.  4
> >
> >        e.  5
> >
> >     2. Planets
> >
> >        a.  move rapidly across the sky relative to the stars.
> >
> >        b.  are stationary relative to the stars.
> >
> >        c.  all move at the same rate relative to the stars.
> >
> >        d.  move slowly relative to the stars.
> >
> >        e.  can appear anywhere in the sky.
> >
> >     3. The Moon
> >
> >        a.  may appear anywhere in the sky.
> >
> >        b.  always appears within a few degrees of the zodiac.
> >
> >        c.  always appears within a few degrees of the celestial
> >
> >            equator.
> >
> >        d.  generally appears opposite the Sun.
> >
> >     4. The most readily observed motion of a celestial object is
> >
> >        produced by
> >
> >        a.  the motion of the planets across the sky.
> >
> >        b.  the rotation of the Earth.
> >
> >        c.  the revolution of the Earth.
> >
> >        d.  the motion of the Sun around the galaxy.
> >
> >     5. An astronomical unit is the
> >
> >        a.  distance from the Earth to the Moon.
> >
> >        b.  distance from the Earth to the Sun.
> >
> >        c.  distance from the Earth to the nearest star.
> >
> >        d.  distance light travels in one year.
> >
> >        e.  circumference of the Earth.
> >
> >     6. Which of the following statements about planets is FALSE?
> >
> >        a.  none are visible to observers on the Earth
> >
> >        b.  they move relative to the stars
> >
> >        c.  they are found along the zodiac
> >
> >        d.  they do not twinkle as stars do
> >
> >     7. Where must an observer be located on the Earth to view the
> >
> >        entire sky over the course of a year?
> >
> >        a.  the north pole
> >
> >        b.  the south pole
> >
> >        c.  the equator
> >
> >        d.  anywhere on the Earth
> >
> >     8. Diurnal motions are caused by
> >
> >        a.  the rapid rotations of heavenly bodies.
> >
> >        b.  the motion of the Moon about the Earth.
> >
> >        c.  the motion of the Sun about the Earth.
> >
> >        d.  the motion of the Earth on its rotation axis.
> >
> >        e.  the precession of the Earth's axis.
> >
> >     9. Suppose you are on a strange planet. Since you have had an
> >
> >        astronomy class at the university, you are aware of the daily
> >
> >        motion of stars about a fixed point in the sky. Furthermore,
> >
> >        you notice that this fixed point is 30 degrees above the
> >
> >        horizon. You then deduce that your latitude on this planet is
> >
> >        a.  0ø.
> >
> >        b.  15ø.
> >
> >        c.  30ø.
> >
> >        d.  45ø.
> >
> >        e.  60ø.
> >
> >    10. Precession is
> >
> >        a.  the accuracy with which numbers are given in astronomy.
> >
> >        b.  the slow motion of the Earth's rotation axis on the
> >
> >            celestial sphere.
> >
> >        c.  the apparent backward motion of planets on the celestial
> >
> >            sphere.
> >
> >        d.  the daily eastward motion of the Sun around the celestial
> >
> >            sphere.
> >
> >    11. Planet X has its rotation axis perpendicular to its orbital
> >
> >        plane. Its seasons would be
> >
> >        a.  shorter than those on Earth.
> >
> >        b.  longer than those on Earth.
> >
> >        c.  the same as those on Earth.
> >
> >        d.  constant.
> >
> >    12. If a solar eclipse occured 2 weeks ago, what would be the phase
> >
> >        of the Moon today?
> >
> >        a.  first quarter
> >
> >        b.  full
> >
> >        c.  third quarter
> >
> >        d.  new
> >
> >        e.  waxing crescent
> >
> >    13. Eclipses do not occur each month because
> >
> >        a.  the Moon is always in the ecliptic.
> >
> >        b.  the Moon is never in the ecliptic.
> >
> >        c.  the Earth's axis is tilted to the ecliptic.
> >
> >        d.  the Moon's orbit is in the ecliptic.
> >
> >        e.  the Moon's orbit is not in the ecliptic.
> >
> >    14. In order for a solar eclipse to occur, the Moon must be
> >
> >        a.  near new Moon.
> >
> >        b.  near first or last quarter.
> >
> >        c.  high in the sky.
> >
> >        d.  near full Moon.
> >
> >        e.  in a retrograde loop.
> >
> >    15. The length of the tropical year is
> >
> >        a.  equal to the length of the Earth's sidereal period.
> >
> >        b.  equal to the length of the Earth's synodic period.
> >
> >        c.  the time interval from one vernal equinox to the next.
> >
> >        d.  twelve lunar months.
> >
> >    16. If the Moon did NOT rotate we would observe
> >
> >        a.  the same as we now observe.
> >
> >        b.  only the lunar back side.
> >
> >        c.  the lunar north polar region.
> >
> >        d.  both the front and back side of the Moon.
> >
> >    17. Aristotle
> >
> >        a.  was the first great observational astronomer.
> >
> >        b.  stated physical laws and then attempted to use them to
> >
> >            explain how the universe works.
> >
> >        c.  discovered the first four elements in the periodic table of
> >
> >            elements.
> >
> >        d.  taught Plato the basic laws of nature.
> >
> >    18. Ptolemy
> >
> >        a.  invented calculus and used it to predict the positions of
> >
> >            the planets at any given time.
> >
> >        b.  wrote books summarizing the astronomical knowledge of
> >
> >            earlier cultures.
> >
> >        c.  was the first of the great Greek astronomers.
> >
> >        d.  was the first to detect stellar parallax.
> >
> >    19. The Almagest was written by
> >
> >        a.  Plato
> >
> >        b.  Aristotle
> >
> >        c.  Hipparchus
> >
> >        d.  Ptolemy
> >
> >        e.  Pythagorus
> >
> >    20. The reason Copernicus became a "heliocentrist" was that
> >
> >        a.  the evidence was overwhelmingly strong.
> >
> >        b.  the evidence was weak but gaining strength.
> >
> >        c.  it was philosophically pleasing to him.
> >
> >        d.  the laws of physics as then understood indicated a
> >
> >            heliocentric universe.
> >
> >    21. Which one of the following statements about the Copernican
> >
> >        model is FALSE?
> >
> >        a.  it was more accurate than the Ptolemaic system in
> >
> >            predicting planetary motions
> >
> >        b.  relative planetary distances could be deduced from it
> >
> >        c.  relative planetary speeds could be determined from it
> >
> >        d.  retrograde motion could be easily explained by it
> >
> >        e.  none: all of the above statements are true
> >
> >    22. Tycho Brahe's principal contribution to astronomy was
> >
> >        a.  his noble blood.
> >
> >        b.  his suggested model for the solar system (which had a fixed
> >
> >            Earth with the Sun revolving about it but the rest of the
> >
> >            planets revolving about the Sun).
> >
> >        c.  the accuracy of his observations and the completeness of
> >
> >            his records.
> >
> >        d.  his choice of Galileo as an assistant.
> >
> >    23. Which of the following is a statement of Kepler's first law?
> >
> >        a.  planets move in perfect circles with the Sun at the center
> >
> >        b.  planets move along an elliptical path with the Sun at the
> >
> >            center
> >
> >        c.  planets move along an elliptical path with the Sun at one
> >
> >            of the foci
> >
> >        d.  planets move along an elliptical path with the Earth at one
> >
> >            of the foci
> >
> >    24. In simple language, Kepler's second law means that
> >
> >        a.  a planet moves more rapidly when near the Sun than when
> >
> >            farther away.
> >
> >        b.  planets close to the Sun have shorter periods than those
> >
> >            farther away.
> >
> >        c.  the Sun is at the center of planetary orbits.
> >
> >        d.  slowly moving planets are close to the Sun.
> >
> >    25. In non-mathematical terms, Kepler's third law says that
> >
> >        a.  a planet moves more rapidly when near the Sun than when
> >
> >            farther away.
> >
> >        b.  planets close to the Sun have shorter periods than those
> >
> >            farther away.
> >
> >        c.  the Sun is at the center of planetary orbits.
> >
> >        d.  slowly moving planets are close to the Sun.
> >
> >    26. Who is often considered to be the first truly modern scientist?
> >
> >        a.  Brahe
> >
> >        b.  Kepler
> >
> >        c.  Copernicus
> >
> >        d.  Aristotle
> >
> >        e.  Galileo
> >
> > 27. Which of the following did Galileo NOT observe?
> >
> >        a.  sunspots
> >
> >        b.  the moons of Mars
> >
> >        c.  the phases of Venus
> >
> >        d.  the craters on the Moon
> >
> >    28. Which of the following has the greatest mass?
> >
> >        a.  100 lbs of goose feathers
> >
> >        b.  100 lbs of lead
> >
> >        c.  a 100 lb person
> >
> >        d.  they all have the same mass
> >
> >    29. Acceleration is defined as
> >
> >        a.  the rate of change of velocity.
> >
> >        b.  the rate of change of position.
> >
> >        c.  the rate of change of distance.
> >
> >        d.  how fast an object moves.
> >
> >        e.  how fast an object changes position.
> >
> >    30. Which of the following would NOT occur if the Earth's mass were
> >
> >        doubled? (NOTE: the radius remains the same)
> >
> >        a.  your mass would double
> >
> >        b.  your weight would double
> >
> >        c.  the surface gravity would double
> >
> >        d.  the escape velocity would increase
> >
> >    31. While on the Moon, the Apollo astronauts demonstrated Galileo's
> >
> >        experiment at the Leaning Tower of Pisa by dropping a feather
> >
> >        and a hammer. They reached the ground at the same time because
> >
> >        a.  the force of gravity is larger on the feathers than on the
> >
> >            hammer.
> >
> >        b.  the force of gravity has no effect on either object.
> >
> >        c.  the acceleration of each object is the same.
> >
> >        d.  the astronauts showed Galileo's experiment to be false.
> >
> >    32. Take three identical bricks; strap two of them together. Which
> >
> >        statement is true?
> >
> >        a.  the combined bricks, when dropped, will fall twice as fast
> >
> >            as the single brick
> >
> >        b.  the combined bricks, when dropped, will fall four times as
> >
> >            fast as the single brick due to the inverse square law of
> >
> >            gravity
> >
> >        c.  the gravitational force between the Earth and the combined
> >
> >            bricks is twice as strong as the gravitational force
> >
> >            between the Earth and the single brick
> >
> >        d.  the gravitational force between the Earth and the combined
> >
> >            bricks is the same as the gravitational force between the
> >
> >            Earth and the single brick
> >
> >    33. If in a violent moment you kick a wall, your foot will hurt.
> >
> >        This is best explained by
> >
> >        a.  Newton's first law of motion.
> >
> >        b.  Newton's second law of motion.
> >
> >        c.  Newton's third law of motion.
> >
> >        d.  the universal law of gravity.
> >
> >    34. Which of the following statements about the Earth's orbit is
> >
> >        FALSE?
> >
> >        a.  The orbit is elliptical
> >
> >        b.  The average distance to between the Earth and the Sun is 1
> >
> >            A. U.
> >
> >        c.  The orbital velocity is constant
> >
> >        d.  the period of the orbit is 1 year
> >
> >    35. The escape velocity from a planet's surface depends upon
> >
> >        a.  your mass and the planet's mass.
> >
> >        b.  your mass and the planet's radius.
> >
> >        c.  the planet's mass and radius.
> >
> >        d.  your mass and the planets orbital period.
> >
> >        e.  the planet's mass and orbital period.

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Questions for Astronomy Sergio <invalid@invalid.com> - 2016-07-21 22:07 -0500
  Re: Questions for Astronomy Sylvia Else <sylvia@not.at.this.address> - 2016-07-22 13:26 +1000
    Re: Questions for Astronomy Sergio <invalid@invalid.com> - 2016-07-22 12:45 -0500
      Re: Questions for Astronomy jimp@specsol.spam.sux.com - 2016-07-22 18:24 +0000
        Re: Questions for Astronomy Sergio <invalid@invalid.com> - 2016-07-22 15:39 -0500
          Re: Questions for Astronomy jimp@specsol.spam.sux.com - 2016-07-22 20:58 +0000
  Re: Questions for Astronomy The Starmaker <starmaker@ix.netcom.com> - 2016-07-22 00:00 -0700
    Re: Questions for Astronomy Sergio <invalid@invalid.com> - 2016-07-22 13:08 -0500
      Re: Questions for Astronomy The Starmaker <starmaker@ix.netcom.com> - 2016-07-22 12:37 -0700
        Re: Questions for Astronomy Sergio <invalid@invalid.com> - 2016-07-22 15:36 -0500
          Re: Questions for Astronomy The Starmaker <starmaker@ix.netcom.com> - 2016-07-22 13:43 -0700
    Re: Questions for Astronomy The Starmaker <starmaker@ix.netcom.com> - 2016-07-22 17:51 -0700
  Re: Questions for Astronomy Double-A <double-a3@hush.com> - 2016-07-22 14:09 -0700
    Re: Questions for Astronomy "hanson" <hanson@quick.net> - 2016-07-22 14:52 -0700

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