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the sign given to you is actually in what direction of what appears? |
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what is the birghtest star in the night sky? |
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stars move in wat direction |
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counterclockwise around north star |
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is the sun and moon ever above the horizon at the same time? |
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for someone in mb the rising location along te horizon for a star that eventually will pass through the senith is |
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how much time is there between when a star rises and when it sets? |
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where is the location of circumpolar stars for someone in myrtle beach |
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northern sky and range from the horizon to high in the skky |
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why is the name equinox appropriately used to reference the vernal and sutumnal equinoxes? |
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there are apprx equal number of daylight and night hours |
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why do locations on the equator not expierence large variations in temps over the course of a year? |
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onger days and more concentrated light |
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why is the north pole called the land of the midnight sun? |
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Definition
for any location north of the arctic circle, there is at least one day a year where the sun is above the horizon for the entire day |
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for how ong is the sun beow the horizon for someone situated at the nort poe? |
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why is there an arctic circle? |
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the arctic circle represents the furthest point from the north pole that sunlight can be reached after passing over the poles |
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as the moon becomes more fully illuminated from one nigt to the next it is said to be |
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will everyone on earth see the same moon phase? |
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when earths axis points exaclty toawrd the sun |
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earths rapid rotation changes the nightly view of the stars |
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central african societies could predict the wet seasons |
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what does the local celstrial meridian pass through |
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north point, zenith and the south point |
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time it takes the sun to return to the same position relative to the background stars |
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how long does it take the moon to orbit the earth? |
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how long does it take for a moon to go through all the phases |
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time it takes earth to trave 360 degs around the sun |
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time interbal between successive new moon phases |
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time to travel 360 abt earth |
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ancient lunar calenders used months of |
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a year based on unar months would fall |
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4200 egyptians used how many day calender |
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introduced an extra day to the year once every 4 years |
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modern time system is based on what? |
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solar days and uses a gregorian calender which attempts to reproduce a tropical year |
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