SMT 314 - Introduction to Cosmology » Fall 2020 » HW4 Part 2

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Question #1
During a solar eclipse, a shadow is cast on:
A.   the Earth
B.   the Sun
C.   the Moon
D.   Venus
Question #2
Why can’t a solar eclipse be seen every month from the Earth?
A.   The Moon's orbit is not the solar ecliptic.
B.   The Moon orbits about the Sun and is independent of Earth.
C.   The Moon has a chaotic orbit. (The Moon has more mass on one side.)
D.   The Moon's orbit is an elliptic.
Question #3
Earth's atmosphere scatters (reflects) blue light more easily than red light, causing the daytime sky to appear blue and contributing to the reddish-orange appearance of sunsets and lunar eclipses.
A.   TRUE
B.   FALSE
Question #4
Which one of the following statements is true during totality for both total solar and total lunar eclipses?
A.   They can be observed from an entire hemisphere on Earth.
B.   They look reddish primarily due to the refraction and scattering of light passing through the Earth's atmosphere.
C.   They can be viewed safely with the naked eye, for the entire event.
D.   They last about the same amount of time.
E.   They occur when the Sun or Moon are in Earth's shadow.
Question #5
At mid-northern latitudes, the full moon passes higher in the sky in winter than in summer.
A.   TRUE
B.   FALSE
Question #6
In the southern hemisphere, the stars appear to move across the sky:
A.   randomly
B.   from West to East
C.   in circles
D.   from East to West
Question #7
More "circumpolar stars" (i.e., stars that are always above the horizon) are visible from Alaska than from Hawaii.
A.   TRUE
B.   FALSE
Question #8
Venus and Mercury are sometimes visible at a position in the celestial sphere, diametrically opposite of the Sun (i.e. at midnight).
A.   TRUE
B.   FALSE
Question #9
If it's 8:00 am Monday in California, what time is it in England?
A.   Midnight Monday morning.
B.   4:00 pm. Monday
C.   8:00 am. Tuesday
D.   4:00 pm. Tuesday
Question #10
You fly from Los Angeles to Hong Kong, China. The flight time is 15 hours, minus 8 time zones. You leave at noon on Monday. When do you arrive in China?
A.   7 pm Monday
B.   7 pm Tuesday
C.   7 pm Sunday
D.   7 pm Wednesday
Question #11
Critical Thinking: If the Moon were half its current distance from the Earth, then:
A.   solar prominences (flares, etc.) would be easier to see during solar eclipses.
B.   there would never be partial lunar eclipses.
C.   partial solar eclipses would not be visible from far-northern and far-southern latitudes on Earth.
D.   we would no longer see the entire corona at a given time during a total solar eclipse.

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