Your vessel is at the equator at midnight on 1 January, and a star is observed rising. At what time will this same star rise on 1 February, assuming your vessel's location is still at the equator?
Solution:
One should know how many hours is one sidereal day, and of course a solar day.
1 solar day = 24hr
1 sidereal day = 23h 56h 4s
0h 3m 56s is the time difference
x 31 since there a 31 days from Jan. 1 to Feb. 1
2h 01m 56s total difference
Midnight 1 Jan = - 24h 00m 00s
21h 58m 04s on 1 February that the star will rise
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Solution:
One should know how many hours is one sidereal day, and of course a solar day.
1 solar day = 24hr
1 sidereal day = 23h 56h 4s
0h 3m 56s is the time difference
x 31 since there a 31 days from Jan. 1 to Feb. 1
2h 01m 56s total difference
Midnight 1 Jan = - 24h 00m 00s
21h 58m 04s on 1 February that the star will rise
If you find this blog helpful, please click the share button below to share this post to your friends. Sharing is caring...
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