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Details

Science Page 12-13
Section 2 pages 12-13
11
Science
7th Grade
09/20/2010

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Cards

Term
What is a tool used to measure altitude?
Definition
Astrolabe
Term
Zenith
Definition
The point right above the observer's head.
Term
Horizon
Definition
-Where Earth and sky meet.
-Straight ahead of observer.
Term
Sky map
Definition
a map of the sky that shows stars and constellations.
Term
Vernal Equinox
Definition
The first day of spring.
Term
How do you dscribe a star's exact location?
Definition
By finding the stars's right ascension and declination.
Term
Why do stars appear to be on a flat plain?
Definition
-They are too far away for our eyes to tell distance.
Term
Are all stars the same distance away?
Definition
No
Term
The stars you see in the night sky depend on...(three things)
Definition
-time of year(season)
-Time of night
-Location of the observer on Earth (lattitude + longitude)
Term
Closest galaxy to our own is called....
Definition
-Andromeda Galaxy
Term
Circumpolar stars
Definition
-stars seen all night and all year
-Only seen near the poles.
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