REFERENCE LINES AND POINTS
The name of line A in the diagram is:
a. the ecliptic b. the N celestial
pole c. an eclipse d. the celestial equator
e. none of the above
MOTIONS OF THE EARTH: I. ROTATION
Which of the evidence below proves that the earth rotates?
a. Foucault pendulum b. the
phases of the moon c. stellar parallax d. telescopic observations
of Jupiter's moons
e. all the above
Which of the following is due to the earth's rotation?
a. star rise and star set
b. precession c. the seasons d. the
slow change of seasons over 26000 years
e. they all are
Which of the following is NOT a consequence of rotation?
a. star rise and star set b.
the rise and fall of tides c. the length of the day d. the
sun shifting along the zodiac
e. they all are related to rotation.
Baltimore is located at 75 W longitude and Honolulu
Hawaii at 150 W longitude. The sun will rise ____ in Hawaii:
a. 5 hrs earlier b. 5
hrs later c. 5 hrs farther North d. 7.5 hrs
later e. 7.5 hrs farther South
MOTIONS OF THE EARTH:
II. REVOLUTION
Which of the following is due to the earth's revolution?
a. star rise and star set
b. precession c. the seasons d. the
slow change of seasons over 26000 years
e. they all are
MOTIONS OF THE EARTH: III. PRECESSION
Some 13000 years from now, December 22 will mark the
beginning of:
a. summer b. fall c. winter
d. spring e. it would depend on the time and date because it is not
the equinox any more.
LUNAR MOTIONS
We see only one side of the moon because:
a. The period of the earth's rotation
is the same as that of the moon's rotation
b. only one side of the moon
is lit by the sun
c. the period of the moon's rotation
is the same as that of the moon's revolution
d. there are two sides to every moon
e. none of the above.
As you leave your abode at sunset, you notice the moon
rising in the east. You kindly inform your nonchalant companion that the
moon is uncontrovertibly:
a. full b.
waxing c. in the 3rd quarter
d. in the first quarter e. in the house of
the rising sun.
They are predicting a lunar eclipse. This means that
at the time of the eclipse the moon will be:
a. full b.
waxing c. in the 3rd quarter
d. in the first quarter e. new
True or false: A lunar eclipse will occur during daytime
They are predicting a solar eclipse. This means that
at the time of the eclipse the moon will be:
a. full b. waxing c. in the 3rd quarter d. in the
first quarter e. new
True or false: A solar eclipse will occur during daytime
You have been staying up for a night and a day and
desperately watching the sky because the exercise on lunar observations
is due. Despite your vigilant scanning of the unrelentingly clear sky,
you have not seen the moon. Then you realize that is because the moon is:
a. full
b. waxing c. in the 3rd quarter
d. in the first quarter e. new