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Chapter 2
2B-2
Question | Answer |
---|---|
Celestial latitude, or the angular distance between the celestial equator and a celestial object in degrees north or south, is called by what other name? | Declination |
What math symbol is used for areas of the sky north of the celestial equator? South? Astronomers use a plus sign for stars north | Astronomers use a plus sign for stars north of the celestial equator and a minus sign for stars south of it. |
What is the term that refers to celestial longitude? What units is it measured in? | Right ascension. First, right ascension is usually given in hours, not degrees. |
As the earth turns one hour, how many degrees does it turn? | 15 degrees |
What is the starting line for right ascension called? | Prime hour circle |