1. You are kidnapped, drugged and flown somewhere. After an indefinite period in
ID: 153155 • Letter: 1
Question
1. You are kidnapped, drugged and flown somewhere. After an indefinite period in a dark cell, you escape and try to determine where you are and what time of year it is by making astronomical observations. What could you say about your location on Earth and the time of year if you determine the altitude of the North Celestial pole to be 35 degrees
A. You are 35 degrees South Latitude, any time of year
B. You are 35 degrees North Latitude, any time of year
C. You are located on the ecliptic
D. You are 35 degrees North Latitude, at Equinox time
2. A scientific model with a large number of measurable implications would be most accurately described as ...
A. A Powerful Model
B. A Valid Model
C. An aesthetically appealing model
D. A precise model
3. If you are standing at the Earth's equator, which of the following will always be directly overhead?
A. The ecliptic
B. The Sun
C. The zodiac
D.The north celestial pole
E. The celestial equator
4. Which of the following could be the equatorial co-ordinates of a star that sets to the South of West when viewed from Thunder Bay, Ontario
A. Declination 30 degrees, Right Ascension 6 hours
B. Declination 60 degrees, Right Ascension 13 hours
C. Declination -60 degrees, Right Ascension 20 hours
D. Declination -30 degrees, Right Ascension 1 hours
5. Use Stellarium (or any other method) to determine which of the following best describes the position of the Moon in the Sky as seen from Thunder Bay, Ontario at 11PM on September 21, 2013.
A. Under the horizon
B. High in the Sky to the South
C. Setting towards the West
D. Rising towards the East
Explanation / Answer
Answer 1: B: You are 35 degrees North Latitude, any time of year( A star of RA = 13 hours, implies it is in Ursa Major (tail of Big Dipper), rising 6½ before rising/setting sunrise/sunset.)
2: D. A precise model
3: D.The north celestial pole
4: B: Declination 60 degrees, Right Ascension 13 hours
5: D. Rising towards the East
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