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Mathematics 15 Online
OpenStudy (anonymous):

There is a different sky map for each __________. A. star B. season C. constellation

OpenStudy (anonymous):

B or C?

OpenStudy (anonymous):

Sky maps are used to give us a picture of the night sky. At different times of year different portions of the sky are visible.

OpenStudy (danjs):

definitions,

OpenStudy (anonymous):

So what is it? @jtstrumpf

OpenStudy (anonymous):

Seasons. For example where I live I can only see orion in the winter time and the big dipper in the summer time, so I have to change my sky map based on the season.

OpenStudy (anonymous):

Since we are moving around the sun, and night time is when we face away from it, a half a year later the night sky we used to be looking at is now behind our day time sun!

OpenStudy (anonymous):

oh

OpenStudy (danjs):

precession of earth

OpenStudy (danjs):

the wobble changes the horizons wrt the stars i believe, just guessing.

OpenStudy (anonymous):

C

OpenStudy (anonymous):

each constellation has a map

OpenStudy (danjs):

nevermind, just read this , pretty interesting http://www.space.com/5019-stars-seasons.html

OpenStudy (anonymous):

Really really interesting stuff :)

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