Download Celestial Sphere Worksheet

Chapter 1
Name:___________________________________________
Celestial Sphere Worksheet
Part A: Use figure A and B to help answer the following questions
1.
What is right accession?
2.
What is right accession is measure in?
3.
What is declination?
4.
What is declination measure in?
5.
What is the right accession and declination for the vernal equinox?
6.
If the autumn equinox is 6 month later what would be the right accession and declination for it?
(hint it is half way around the globe)
7.
What is the declination for the North Pole? The South Pole?
8.
What is the right accession and declination for star A?
9.
What is right accession and declination for star B
Chapter 1
Name:___________________________________________
Part B Using figures C and D answer the following questions.
1.
What is the declination for the Celestial Equator?
2.
How many hours apart is each line of Right accession?
3.
The winter Solstice occurs at what declination and right accession?
4.
The summer Solstice occurs 6 months later, what is the declination and right ascensions for it?
5.
The sun is at the lowest point on the celestial sphere during the (winter, summer) solstice.
6.
The sun is at the highest point on the celestial sphere during the (winter, summer) solstice.
7.
Looking at figure D match the position of the sun with the correct letter.
a. Summer Solstice
b.
Winter Solstice
c.
Equinox
8.
Looking at figure D, the sun is rising in the _____________ and setting in the ____________.
9.
On figure D label the following
a. Polaris
b. Zenith to the observer