THE ANALEMMA The analemma is a diagram which depicts the position of the Sun in the sky at the same time as that position changes during the year. It takes into consideration the changing declination of the sun (the angle between the rays of the Sun and the plane of Earth's Equator) throughout the year. Declination of sun N 24* 22° 20⁰ 18° 16° 14° 12° 10° 8° 6° 4° 2° 0° 2° 4° 6° 8° 10° 12° 14° 16° 18° 20° 22° 24° S + 30 Sun fast 16M 14M 12M 10M 8M 25. 51 10 20- D 15 15 A ember 20 25 10 October A 30 A 20 125 10 6M 15. 4M September December 25 20 10 5 10 30 April Equation of time 2M OM 2M 4M 21 ܕܕܗ ܚܠܠܘ ܝܛܠܘܘ ܐܠܢ ¹5 30 10 25 June. 15 5 20 4 20 25 30 25. 157 10 The analemma 20. 15 20 25 30 5 10 64226 15 10 15, August 6M July 20. 25 Vo 30 5 30 25 de g March January 10 8M 20 Sun slow 10M 12M 14M 15 15. 10 20 5 February 25 25 20 215 10. $5 30
THE ANALEMMA The analemma is a diagram which depicts the position of the Sun in the sky at the same time as that position changes during the year. It takes into consideration the changing declination of the sun (the angle between the rays of the Sun and the plane of Earth's Equator) throughout the year. Declination of sun N 24* 22° 20⁰ 18° 16° 14° 12° 10° 8° 6° 4° 2° 0° 2° 4° 6° 8° 10° 12° 14° 16° 18° 20° 22° 24° S + 30 Sun fast 16M 14M 12M 10M 8M 25. 51 10 20- D 15 15 A ember 20 25 10 October A 30 A 20 125 10 6M 15. 4M September December 25 20 10 5 10 30 April Equation of time 2M OM 2M 4M 21 ܕܕܗ ܚܠܠܘ ܝܛܠܘܘ ܐܠܢ ¹5 30 10 25 June. 15 5 20 4 20 25 30 25. 157 10 The analemma 20. 15 20 25 30 5 10 64226 15 10 15, August 6M July 20. 25 Vo 30 5 30 25 de g March January 10 8M 20 Sun slow 10M 12M 14M 15 15. 10 20 5 February 25 25 20 215 10. $5 30
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Transcribed Image Text:THE ANALEMMA
The analemma is a diagram which depicts the
position of the Sun in the sky at the same time
as that position changes during the year. It
takes into consideration the changing
declination of the sun (the angle between the
rays of the Sun and the plane of Earth's
Equator) throughout the year.
N
24*
22°
20⁰
18°
16°
14°
12°
10°
8⁰
6°
4°
20
Declination of sun
0°
2°
4°
6°
8°
10°
12°
14°
9
16°
18°
20°
22°
24°
S
+
16M
25
30-
5+
20
-10-
15
ovember
Sun fast
14M 12M 10M
15;
20
10,
25-
5.
30
30.
October
အန်းသည်
၁၀
AL
25
8M
10
20
6M
15.
4M
December
15
September
104
25
20
10
AT
30
5
April,
10,
Equation of time
2M OM
20
15
30
10
25
June.
15
5
20
2M
1.5
20 25 30
157
25.
10
The analemma
25-30
20.
11
4M 6M
15
NGO
15
20,
25
-10
July
August
30
tat
5
30
da je
March
1,
25
January
10
8M
20
Sun slow
10M
15
15
10
20
12M 14M
5
February
25
25
20
30
15
10
5
Transcribed Image Text:8. October 15
Please find the subsolar point (pint at which the
Sun is directly overhead or its zenith) for the
following questions using the analemma
provided:
9. August 15
10. June 22
11. December 22
12. September 23
Take Quiz
13. March 21
Note: Input your answer replacing the degree
character (°) with "d" (Ex. 89d N)
Note 2: Remember to input N, S, E, or W at the
end of the coordinates, it is common practice to
do this (the only exception is 0 degrees, it would
be notated as just "Od").
Exit
Note 3: There are only degrees, do not include
minutes, input decimals instead (Ex. 11.5d N).
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