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Terms in this set (20)
How much of the universe can you see at any given time?
Half of it
The stars visible in North America are the same stars seen from _____.
On Earth, movement North or South changes your _____ and movement West or East changes your _____.
The point directly ahead at all times is called your _____, and the point directly below you at all times is called your _____.
Any two points that share the same _____ will always see the same set of stars at night.
Movement in "right ascension" is equivalent to _____ movement on the surface of the Earth and movement in "declination" is equivalent to _____ movement on the surface of the Earth.
_____ refers to how far an object is seen above the horizon.
What star will show no obvious motion throughout the night?
The moon will set _____ minutes _____ each night.
The 24 hours of clock time measure _____.
Mean solar day
The length of the day is determined by?
The rotation of the Earth.
The _____ is a line that divides the sky into eastern and western halves.
A star that crosses the meridian, circles the sky, and crosses the meridian again demonstrates an interval of time called the _____.
The number of daylight hours compared to the number of nighttime hours changed each day because _____.
The Earth is tilted on its axis
Each time zone is generally separated by _____ degrees of longitude.
Why do we have seven days in a week?
There are seven visible objects that move across the sky with respect to the stars.
The length of the month is based upon ______.
How long it takes the Moon to complete one cycle.
The month of August was originally named _____.
What was the purpose of leap year?
To adjust for the fact that one orbit of the Earth isn't a whole number of days.
Which of the following animals is NOT one of the names used in the Chinese calendar system.
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