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Solar eclipse

About: Solar eclipse is a research topic. Over the lifetime, 2737 publications have been published within this topic receiving 22625 citations.


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Journal ArticleDOI
TL;DR: In this article, the authors investigated the impact of the long duration noontime annular solar eclipse on the vertical distribution of aerosols and mixing layer height in a well-developed convective atmospheric boundary layer (ABL) using continuous Lidar observations over a tropical coastal station, Thumba (8.5°N, 76.9°E).

7 citations

Journal Article
TL;DR: In this paper, solar effects on middle-atmosphere electrical parameters, as demonstrated by eclipse-associated responses of conductivity, ion mobility, and charge density, are considered for the total solar eclipses at Red Lake, Ontario, Canada on February 26, 1979 and at San Marco range, Kenya, on February 16, 1980.
Abstract: Solar effects on middle-atmosphere electrical parameters, as demonstrated by eclipse-associated responses of conductivity, ion mobility, and charge density, are considered for the total solar eclipses at Red Lake, Ontario, Canada on February 26, 1979 and at San Marco range, Kenya, on February 16, 1980. Negative-conductivity measurements for the Canadian eclipse and probe-current measurements for the Kenyan eclipse demonstrate a rapid loss of free electrons below 80 km at totality. During the Kenyan eclipse, positive-ion responses were different for each of two distinct ion mobility groups. Between 45 and 60 km, eclipse-related positive-ion responses are associated with the low-mobility ions. It is shown that these ions are lost at totality and that an excess buildup occurs following totality. Above 70 km, positive-ion loss at totality is associated with the more mobile ions and only low-mobility positive ions are measured in this region. The buildup in total ion density following totality is thought to result from a reduction in ion loss associated with weak-electron recovery in the region.

7 citations

01 Jan 2007
TL;DR: The periods of rule for Pharaohs during the Amarna period in Egypt is dated by correlation with six solar eclipses at the horizon as mentioned in this paper, and the sudden decision of Tutankhaten to change his name to Tutankhamun in the fourth year and to evacuate Akhetaten, during the winter months of this year, may have been taken after the solar eclipse during sunrise on 14/10, 1356 BCE.
Abstract: The periods of rule for Pharaohs during the Amarna period in Egypt is dated by correlation with six solar eclipses at the horizon. Amenhotep IV changed his name to Akhenaten in his sixth year after a powerful solar eclipse during sunrise on 21/6, 1378 BCE, and the decision in his ninth year to build a completely new residential city Akhetaten – The Horizon of the Sun Disk, was taken after the dramatic solar eclipse at the horizon during sunrise on 20/4 1375 BCE. The sudden decision of Tutankhaten to change his name to Tutankhamun in the fourth year and to evacuate Akhetaten, during the winter months of this year, may have been taken after the solar eclipse during sunrise on 14/10, 1356 BCE. An alternative explanation may be a correlation with the extremely bright supernova that appeared in the sky on 9/11, 1355 BCE. This extremely bright supernova may have been interpreted as a second sun in the sky and a contradiction to the new monotheistic adoration of the Sun Disk.I identify the solar eclipse in 1258 BCE, which was total in southern Egypt, with the so-called Egyptian darkness mentioned in Exodus as number 9 of the 10 plagues before the people of Israel were given permission to leave Egypt. This eclipse took place in the 46th year of the rule of Ramesses II, 1304-1238 BCE, according to the High Egyptian chronology. The rod that Moses stretched out over the land of Egypt is identified with the long bright tail of comet Encke that dominated the southern sky in January 1258 BCE. The pillar of cloud during the day and pillar of fire during the night, which guided the people of Israel during the exodus from Egypt out in the desert, fits very well with the next bright appearance of comet Encke in May-June 1252 BCE.There was another remarkable solar eclipse in 1207 BCE that can be identified as the situation “when the sun was standing still in the valley of Ajalon”, after Joshua’s conquest of the city of Gibeon in Palestine. This date is in good agreement with the results from the modern archaeological excavations in Gibeon. Richard Stephenson has earlier identified this eclipse as taking place in 1131 BCE, but this is too late according to the archaeologists.

7 citations

Journal ArticleDOI
01 Apr 1977-Nature
TL;DR: In this article, a preliminary analysis of the declination variations recorded in the path of totality at stations H (Millicent, S.A.) and J (Merimbula, N.S.W.).
Abstract: SOLAR eclipses may cause geomagnetic effects by disturbing the flow of electric currents in the ionosphere1,2, and a number of observations of this phenomenon have been made in recent years3,4. To monitor any magnetic effects of the eclipse of 23 October 1976, we operated recording magnetometers at 10 sites in central and eastern Australia (Fig. 1); these instruments were in addition to the regular observatories of the Bureau of Mineral Resources near Perth and Melbourne. We present here a preliminary analysis of the declination variations recorded in the path of totality at stations H (Millicent, S.A.) and J (Merimbula, N.S.W.).

7 citations

Journal ArticleDOI
TL;DR: The main phenomenon observed at Ponza Island (Central-Southern Italy) is characterized by an almost absolute parallelism between ΔZ and ΔH variations, during disturbances shorter than two hours.
Abstract: Some anomalies in geomagnetic variations observed in Italy from 1957 on, are referred about.The main phenomenon, observed at Ponza Island (Central-Southern Italy), is characterized by an almost absolute parallelism between ΔZ and ΔH variations, during disturbances shorter than two hours.In its larger evidence, this phenomenon is limited at Ponza Island and it attenuates rapidly when approaching the opposite Italian coast: it vanishes almost completely at L'Aquila Observatory (Central Italy) and Mt. Capellino (Genoa).Instead, an effect of antiparallelism was observed at Frontone (North Italy) while operating a temporary station installed there in the occasion of the Solar Eclipse of February 1961.A further investigation has been performed recently on Sq variations.

6 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
202354
2022136
202191
202084
201992
2018104