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Related Flashcards
Related Topics
Cards In This Set
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What is longitude
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Tells where one is east to west.
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Longitude ranges?
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Ranges from 0 at the prime meridian to 180 at the international date line with an east and west designation respectively
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What is latitude?
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Tells where one is north to south
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Latitude ranges?
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From 90S at the South Pole to 0 at the Equator to 90N at the North Pole
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Tropic of cancer
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Which marks the northern boundary of the tropics
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Tropic of capricorn
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Which marks the southern boundary of the tropics
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Arctic circle
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For the northern region where during one day each year the sun wont rise. -66.5degreesN
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Antartic circle
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For the southern region where during one day each year the sun wont rise. 66.5degreesS
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Important latitudes
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North pole- 90N
artic circle-66.5N tropic of cancer-23.5N equator-0 tropic of capricorn-23.5S antartic circle-66.5S south pole-90S |
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Declination
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Tells how far north and south a star is on the celestial sphere. it ranges from -90 at the south pole to 0 at the celestial equator to 90 at the north celestial pole
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Right ascension
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Tells where east and west a star is on the celestial sphere. it ranges from 0 hours at the vernal equinox point all the way up to 24 hours
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Precession
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Causes the direction of the north celestial pole to point to slowly vary with time
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Ecliptic
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The apparent path of the sun in the sky
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Vernal equinox
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0 degrees and o hours which is the equator point. the day the sun crosses this point.
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Summer solstice
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23.5 degrees and 6 hours is the highest point of the ecliptic. the day the sun crosses this point
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