Celestial Sphere Practice Quiz
1. The _____________________divides the sky into northern and southern hemispheres
Celestial equator
2. The angular height of an object above or below the celestial equator is measured in _________ (the coordinate like latitude).
declination
3. The right ascension of a star is a coordinate similar to _____________.
longitude
4. How many hours of Right Ascension are there?
24
5. The zero coordinate for Right Ascension is the ______________________.
Vernal Equinox
6. ______________ is measured in degrees, minutes and seconds.
Declination
7. What do we call the point labeled a ?
zenith
8. What is the name for the line labeled b?
meridian
9. What is the name for the circle labeled c?
horizon
10. In local coordinates the _____________ of an object is how many degrees above the local horizon it is.
altitude
11. Which star lies closest to the celestial equator?
A
12. Which star lies closest to the north celestial pole?
E