Author Question: Sirius, the brightest star in the sky, is 8.7 ly from the Sun. Determine Sirius' declination and ... (Read 22 times)

dalyningkenk · **on:** Jul 28, 2018

Sirius, the brightest star in the sky, is 8.7 ly from the Sun. Determine Sirius' declination and right ascension.

Question 2

Answer Question 3 using January as the date.

Kingjoffery · **Reply #1 on:** Jul 28, 2018

Answer to Question 1

Declination: 16 39'; right ascension: 6 h 43 min as found on the celestial sphere.
The distance that the star is from the Sun does not affect this answer.

Answer to Question 2

The number of daylight hours decreases as you travel northward. The daylight hours
increase as you travel southward.