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15
×
The north celestial pole is easily located by the star __________ in Ursa Minor.
Pollux
Polaris
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15
×
Which angle describes the object's position above the horizon in the horizontal coordinate system?
Altitude
Azimuth
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15
×
Stars near the celestial poles are circumpolar, never setting below the horizon.
True
False
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15
×
The point straight above you in the sky is called __________.
Nadir
Zenith
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15
×
What is the celestial coordinate system that uses altitude and azimuth called?
Horizontal system
Galactic system
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trap
No points!
Oops!
×
gold
Win 50 points!
Okay!
×
shark
Other team loses 10 points!
Okay!
×
banana
Go to last place!
Oops!
15
×
The __________ coordinate system uses the observer's local horizon as the fundamental plane.
Horizontal
Vertical
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15
×
The Earth's equator extended into space divides the celestial sphere.
False
True
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15
×
Stars close to the celestial poles are known as __________ stars.
Horizontal
Circular
Circumpolar
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eraser
Reset score!
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×
shark
Other team loses 25 points!
Okay!
×
shark
Other team loses 10 points!
Okay!
×
baam
Lose 20 points!
Oops!
15
×
In which direction do stars appear to move across the night sky near the celestial poles?
East to West
North to South
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trap
No points!
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magnet
Take 15 points!
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fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 15 points!
Oops!
15
×
The azimuth is the angle between an object and true south in the horizontal coordinate system.
False
True
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15
×
What direction does Earth rotate on its axis?
East
West
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15
×
An object with an altitude of 90° is directly below the observer and is called nadir.
True
False
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15
×
How many constellations are there in total?
88
78
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