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Solar eclipse of March 9, 1997

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Title: Solar eclipse of March 9, 1997  
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Solar eclipse of March 9, 1997

Solar eclipse of March 9, 1997
Total eclipse from Chita, Russia
Map
Type of eclipse
Nature Total
Gamma 0.9183
Magnitude 1.042
Maximum eclipse
Duration 2m 50s
Coordinates 57.8N 130.7E
Max. width of band 356 km
Times (UTC)
Greatest eclipse 1:24:51
References
Saros 120 (60 of 71)
Catalog # (SE5000) 9501

A total solar eclipse occurred on March 9, 1997. 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, blocking all direct sunlight, turning day into darkness. Totality occurs in a narrow path across the surface of the Earth, while a partial solar eclipse will be visible over a region thousands of kilometres wide.

Unusual gravity variations

This solar eclipse is somewhat special in the sense that some unexplained gravity anomalies of about 7 \times 10−8 m/s2 during the solar eclipse were observed. Attempts (e.g., Van Flandern–Yang hypothesis) to explain these anomalies have not been able to reach a definite conclusion.[1]

Images

Related eclipses

Solar eclipses 1997–2000

Each member 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.
Solar eclipse series sets from 1997 to 2000
Ascending node   Descending node
Saros Map Saros Map
120

Chita, Russia
March 9, 1997

Total
125 September 2, 1997

Partial
130 February 26, 1998

Total
135 August 22, 1998

Annular
140 February 16, 1999

Annular
145

Totality France
August 11, 1999

Total
150 February 5, 2000

Partial
155 July 31, 2000

Partial
Partial solar eclipses on July 1, 2000 and December 25, 2000 occur in the next lunar year eclipse set.

Saros 120

It is a part of Saros cycle 120, repeating every 18 years, 11 days, containing 71 events. The series started with partial solar eclipse on May 27, 933 AD, and reached an annular eclipse on August 11, 1059. It was a hybrid event for 3 dates: May 8, 1510, through May 29, 1546, and total eclipses from June 8, 1564, through March 30, 2033. The series ends at member 71 as a partial eclipse on July 7, 2195. The longest duration of totality was 2 minutes, 16 seconds on August 12, 1654.[2]

Series members 55–65 occur between 1901 and 2100:
55 56 57

January 14, 1907

January 24, 1925

February 4, 1943
58 59 60

February 15, 1961

February 26, 1979

March 9, 1997
61 62 63

March 20, 2015

March 30, 2033

April 11, 2051
64 65

April 21, 2069

May 2, 2087

Metonic series

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).

This series has 21 eclipse events between May 21, 1993 and May 20, 2069.

May 20-21 March 9 December 25-26 October 13-14 August 1-2
118 120 122 124 126

May 21, 1993

March 9, 1997

December 25, 2000

October 14, 2004

August 1, 2008
128 130 132 134 136

May 20, 2012

March 9, 2016

December 26, 2019

October 14, 2023

August 2, 2027
138 140 142 144 146

May 21, 2031

March 9, 2035

December 26, 2038

October 14, 2042

August 2, 2046
148 150 152 154 156

May 20, 2050

March 9, 2054

December 26, 2057

October 13, 2061

August 2, 2065
158

May 20, 2069

References

  1. ^ Q.-S. Wang, X.-S.Yang, C.-Z. Wu, H.-G. Guo, H.-C. Liu and C.-C. Hua, Precise measurement of gravity variations during a total solar eclipse, Phys. Rev. D 62, 041101(2000).
  2. ^ http://eclipse.gsfc.nasa.gov/SEsaros/SEsaros120.html

External links

  • Earth visibility chart and eclipse statistics Eclipse Predictions by Fred Espenak, NASA/GSFC
    • Google interactive map
    • Besselian elements

Photos:

  • In Russia
  • http://www.izmiran.ru/info/personalia/molodensky/Eclips97.html
  • Solar Corona Shape
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