Download Astr 1 010 Spring2Ol2 Quiz 1 Name: (Your score

1’]
Astr 1 010 Spring2Ol2 Quiz 1
,
Name:
(Your score on these quizzes will be 100 points minus 5 for each incorrect answer. In the other 5
wordu
t
got 40 points for your name, if I can read it.)
Please write the letter of your choice in capital letters in the left-hand margin.
1) At what type of eclipse does an object grow dark because it is in the Earth’s shadow?
A). Solar eclipse.
B) Lunar eclipse.
C) Eclipses that happen to take place at 1st or 3rd quarter moons.
D) None of these the Earth has no shadow.
-
2) Where is the zenith on the celestial sphere?
A) 23.5 degrees from the vernal equinox.
B) 56 degrees above the ecliptic at all times.
c)’90 degrees above the horizon.
I5) 34 degrees from the horizon.
3) You are lost but you know that it is the date of the June solstice and the you notice
that the Sun comes within 20 degrees of the zenith at its highest. What is your
approximate latitude?
A) 70 degrees north
B) 43 degrees north
(cj20 degrees north
D) 56 degrees north
03
4) Suppose a star sets in the northwest. Earlier that day, where did it rise?
Northeast
B) Northwest
C) Southeast
D) Any of the above depending on the season of the year.
5) Suppose a total solar eclipse takes place on June 1. No eclipse took place in May.
What will happen on June 15th or 16th?
lunar eclipse.
B) An annular solar eclipse.
C) No eclipse at all.
D) The Sun will pass between the Earth and the Moon.
J\
7Th
6) “Waxing Crescent” is the correct term for the lunar phase during the week between
which two other phases?
and first quarter.
B) Third quarter and new.
C) First quarter and full.
D) Full and third quarter.
7) How would the stars appear to move when observed from the Earth’s North Pole?
)They would move in random paths, criss-crossing the sky.
B They would rise in the east on paths perpendicular to the horizon.
) They would move in circles parallel to the horizon.
D) They would rise in the north on paths angled 34 degrees above the horizon.
(Over for five more questions.)
8) We say that the moon spins on its axis with a synchronous rotation? Synchronized
with what?
A) The Earth’s precessional motion which takes about 26,000 years.
B) The Moon’s orbital motion around the Earth in about a month.
112 (r)’The Earth’s rotation in about 24 hours.
D) The Sun’s apparent motion around the ecliptic in a year.
‘\
)
9) The Sun’s apparent annual motion around the ecliptic, at a rate of 1 degree per day
against the background stars, is caused by what actual motion of the Earth?
A) Revolution around the Sun.
A
B) Precession, moving the north celestial pole away from the North Star.
I
C) Gradual expansion of the Earth’s surface.
(‘D) Rotation around an axis.
0:
•1
t\’
10) Australia, and other locations in the southern hemisphere, are currently having their
summer weather? Why?
A) Carbon dioxide, a heavy molecule, responds to gravity by sinldng below the
equator.
B) For them, the sun rises in the west and sets in east.
C) Ocean currents reverse, carrying heat south.
(iD) The earth’s axis currently slants the southern hemisphere more toward the Sun.
11) Suppose the moon rises at 6 pm. After a week goes by, about when will it be
rising?
(A)? Midnight
)7pm
C) 5 pm
D) Noon
0
12) ‘Wt causes some solar eclipses to be annular, rather than total?
CA) The moon is farther away than average.
B) The time of the eclipse is too close to noon.
C) The date of the eclipse is too close to the winter solstice.
D) The moon has a larger angular size than average.
0