Solar eclipse of July 10, 1972

A total solar eclipse occurred on Monday, July 10, 1972. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth. A total solar eclipse occurs when the Moon's apparent diameter is larger than the Sun's, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across Earth's surface, with the partial solar eclipse visible over a surrounding region thousands of kilometres wide. Occurring only 2.9 days after perigee (Perigee on July 7, 1972), the Moon's diameter was relatively large.

Solar eclipse of July 10, 1972
Map
Type of eclipse
NatureTotal
Gamma0.6872
Magnitude1.0379
Maximum eclipse
Duration156 s (2 min 36 s)
Coordinates63°30′N 94°12′W / 63.5°N 94.2°W / 63.5; -94.2
Max. width of band175 km (109 mi)
Times (UTC)
Greatest eclipse19:46:38
References
Saros126 (45 of 72)
Catalog # (SE5000)9448

It was visible as a total eclipse along a path of totality that began in Sea of Okhotsk and traversed the far eastern portions of the Soviet Union (which now belongs to Russia) on July 11 local time, northern Alaska in the United States, Northern Canada, eastern Quebec and the Canadian Maritimes on July 10 local time. A partial eclipse was visible over Siberia, Canada and the northern and eastern United States.

The eclipse was mostly seen on July 10, 1972, except for the Asian part of Soviet Union and Japanese island Hokkaido, where either a partial or a total eclipse was seen on July 11 local time, and part of the Soviet Union along the coast of Kara Sea, where a partial eclipse started on July 10, passing midnight and ended on July 11 due to the midnight sun.

Observations edit

A team of the Academy of Sciences of the Soviet Union observed the total solar eclipse in Russkaya Koshka, Magadan Oblast (now separated into Chukotka Autonomous Okrug) on the coast of Gulf of Anadyr. The weather condition was clear, and the team successfully took images of the corona and made polarization observations to study its structure and physical characteristics[1]. In Nova Scotia, Canada, the eclipse was clouded out and could not be observed. Besides that, 850 passengers boarded a cruise ship from New York City and saw a total eclipse successfully in North Atlantic Ocean. Many scientists also boarded the ship and did research, and some also gave classes in meteorology, oceanography, etc., which almost all passengers attended[2][3].

"You're So Vain" edit

The eclipse is referenced in the lyrics of Carly Simon's 1972 hit song "You're So Vain." The subject of the song, after witnessing his racehorse win "naturally" at the Saratoga Race Course, flies his Learjet to Nova Scotia to see the eclipse; Simon uses the two phenomena as examples of how the subject seems to be "where (he) should be all the time." Simon released the song four months after the eclipse.[4]

Related eclipses edit

Eclipses in 1972 edit

Solar eclipses of 1971–1974 edit

This eclipse is a member of a semester series. An eclipse in a semester series of solar eclipses repeats approximately every 177 days and 4 hours (a semester) at alternating nodes of the Moon's orbit.[5]

Note: Partial solar eclipses on February 25, 1971 and August 20, 1971 occur in the next lunar year set.

Solar eclipse series sets from 1971 to 1974
Descending node   Ascending node
Saros Map Gamma Saros Map Gamma
116  
1971 July 22
Partial
1.51298 121  
1972 January 16
Annular
−0.93651
126  
1972 July 10
Total
0.68719 131  
1973 January 4
Annular
−0.26441
136  
1973 June 30
Total
−0.07853 141  
1973 December 24
Annular
0.41710
146  
1974 June 20
Total
−0.82388 151  
1974 December 13
Partial
1.07974

Saros 126 edit

It is a part of Saros cycle 126, repeating every 18 years, 11 days, containing 72 events. The series started with partial solar eclipse on March 10, 1179. It contains annular eclipses from June 4, 1323 through April 4, 1810, hybrid eclipses from April 14, 1828 through May 6, 1864 and total eclipses from May 17, 1882 through August 23, 2044. The series ends at member 72 as a partial eclipse on May 3, 2459. The longest duration of central eclipse (annular or total) was 6 minutes, 30 seconds of annularity on June 26, 1359. The longest duration of totality was 2 minutes, 36 seconds on July 10, 1972. All eclipses in this series occurs at the Moon’s descending node.

Series members 42–52 occur between 1901 and 2100
42 43 44
 
June 8, 1918
 
June 19, 1936
 
June 30, 1954
45 46 47
 
July 10, 1972
 
July 22, 1990
 
August 1, 2008
48 49 50
 
August 12, 2026
 
August 23, 2044
 
September 3, 2062
51 52
 
September 13, 2080
 
September 25, 2098

Metonic series edit

The metonic series repeats eclipses every 19 years (6939.69 days), lasting about 5 cycles. Eclipses occur in nearly the same calendar date. In addition, the octon subseries repeats 1/5 of that or every 3.8 years (1387.94 days). All eclipses in this table occur at the Moon's descending node.

21 eclipse events, progressing from north to south between July 11, 1953 and July 11, 2029
July 10–12 April 29–30 February 15–16 December 4–5 September 21–23
116 118 120 122 124
 
July 11, 1953
 
April 30, 1957
 
February 15, 1961
 
December 4, 1964
 
September 22, 1968
126 128 130 132 134
 
July 10, 1972
 
April 29, 1976
 
February 16, 1980
 
December 4, 1983
 
September 23, 1987
136 138 140 142 144
 
July 11, 1991
 
April 29, 1995
 
February 16, 1999
 
December 4, 2002
 
September 22, 2006
146 148 150 152 154
 
July 11, 2010
 
April 29, 2014
 
February 15, 2018
 
December 4, 2021
 
September 21, 2025
156 158 160 162 164
 
July 11, 2029


Notes edit

  1. ^ "ЗАТМЕНИЕ 30 ИЮНЯ 1972 г." (in Russian). IZMIRAN. Archived from the original on 22 June 2020.
  2. ^ "Voyage to Darkness". Pedas Family. Archived from the original on 4 April 2016.
  3. ^ Philip G. Schrag (30 July 1972). "For Two Extremely Short Minutes Everyone Gaped Into the Sky". New York Times. Archived from the original on 4 April 2016.
  4. ^ "YOU'RE SO VAIN: THE TRUTH BEHIND CARLY SIMON'S MYSTERIOUS BREAKUP SONG". This Is Dig!. Warner Music Group. 2022-11-08. Retrieved 11 April 2024.
  5. ^ van Gent, R.H. "Solar- and Lunar-Eclipse Predictions from Antiquity to the Present". A Catalogue of Eclipse Cycles. Utrecht University. Retrieved 6 October 2018.

References edit