Question

1. The altitude of the North Celestial Pole

Question 1 options:

	is always 0
	is always 180
	depends on the observer’s longitude
	depends on the observer’s latitude

Question 2 (1 point)

The azimuth of the North Celestial Pole

Question 2 options:

	is always 0
	is always 180
	depends on the observer’s longitude
	depends on the observer’s latitude

Question 3 (1 point)

If you are in Saskatoon, Saskatchewan (Latitude = 52N, Longitude = 107W), where will you find the North Star?

Question 3 options:

	Altitude = 52, Azimuth = 107
	Altitude = 107, Azimuth=52
	Altitude=52, Azimuth=0
	Altitude=180, Azimuth=52
	Altitude=52, Azimuth=180

Question 4 (1 point)

For an observer in Tucson, how much time is there between when a star rises and when it sets?

Question 4 options:

	less than twelve hours
	twelve hours
	more than twelve hours
	24 hours
	it depends on the star

Question 5 (1 point)

Imagine you are standing somewhere in the Northern Hemisphere. Looking directly north, you see a star just above Polaris. A little later you notice that it has shifted position slightly. Which way did it move?

Question 5 options:

	mostly up (away from the horizon)
	mostly down (toward the horizon)
	mostly to the right
	mostly to the left

Question 6 (1 point)

Where on Earth could this star trail picture have been taken from?

Question 6 options:

	Tucson
	somewhere near the Equator
	somewhere near the North or the South Pole
	not enough information to say anything about location

Question 7 (1 point)

Imagine you are located in Tucson and you see a star directly overhead (zenith). In what direction will you have to look to see this star set?

Question 7 options:

	southwest
	west
	northwest
	This star will never set

Question 8 (1 point)

In the northern hemisphere, the stars rise in the East, set in the West and revolve counter-clockwise around the North celestial pole. In the southern hemisphere the stars rise in the ...

Question 8 options:

	East, set in the West and revolve anti-clockwise around the South celestial pole.
	East, set in the West and revolve clockwise around the South celestial pole.
	West, set in the East and revolve clockwise around the South celestial pole.
	West, set in the East and revolve anti-clockwise around the South celestial pole.

Question 9 (1 point)

You are on the equator, and you see a star rising at 90E. Where will this star be when it crosses the meridian?

Question 9 options:

	South of Zenith
	Zenith, right above your head
	North of Zenith

Question 10 (1 point)

Question 10 options:

You are at the North Pole. Describe how stars appear to move in the sky using the alt-az coordinate system.

For any given star in the sky, their

stays constant, while their

changes continuously. Over 24 hours, it will span a full

degrees.

Question 11 (1 point)

You’re in Tucson and you notice a star that’s rising in the Southeast (Azimuth >90). How long will it be before this star sets?

Question 11 options:

	less than 12 hours
	12 hours
	more than 12 hours but less than 24
	24 hours

Answer 1

PLEASE DO NOT POST THESE MANY QUESTIONS AT ONCE.....First four questions as per the rules !!!

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1)

The altitude of the North Celestial Pole depends on observer's latitude

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2)

The azimuth of the North Celestial Pole is always zero

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3)

If you are in Saskatoon, Saskatchewan (Latitude = 52N, Longitude = 107W), where will you find the North Star

Altitude = 52, Azimuth=0

______________________

4)

For an observer in Tucson, how much time is there between when a star rises and when it sets

It depends on the star

_________________________