Celestial Sphere Problems

Question 1

What is the name of the point in space where the Sun appears to cross the celestial equator from South to North? __________ __________

Question 2

On what date does the Sun appear to cross the point on the celestial equator in Question 1?

Question 3
What are the Sun's right ascension and declination at the vernal equinox?

R.A. = _____ H _____ M

Declination = _____ degrees _____ minutes

Question 4
On what date does the Sun appear to be 23.5 degrees North of the celestial equator?

Question 5

What is the name of the point on the celestial sphere in Question 4? __________ __________

Answer for Blank 1:

Question 6
What are the right ascension and declination of the Sun on approximately June 21st?

R.A. = _____ H _____ M

Declination = _____ degrees _____ minutes

Question 7

On what date does the Sun appear to cross the celestial equator from North to South?

Question 8

What is the name of the point on the celestial sphere in Question 7? __________ __________

Question 9

What are the right ascension and declination of the Sun at the time of the autumnal equinox?

R.A. = _____ H _____ M

Declination = _____ degrees _____ minutes

Question 10

On what date does the Sun appear to be 23.5 degrees South of the celestial equator?

Question 11

What is the name of the point on the celestial sphere in Question 10? __________ __________

Question 12

What are the right ascension and declination of the Sun on approximately December 21st?

R.A. = _____ H _____ M

Declination = _____ degrees _____ minutes