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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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TL;DR: In this paper, four microbarographs were used in an attempt to detect atmospheric pressure oscillations that were expected to accompany bow waves associated with the total solar eclipse of 23 October 1976, and these internal gravity waves were found to have a peak-to-peak amplitude of 0.1 to 0.2 Pa, a period of 23 min and a velocity of 3.1×102 ms−1.
Abstract: DURING a solar eclipse, the Moon's cool shadow, moving with supersonic speed through the Earth's atmosphere, should generate bow waves. In the experiments described here four microbarographs were used in an attempt to detect atmospheric pressure oscillations that were expected to accompany bow waves associated with the total solar eclipse of 23 October 1976. These internal gravity waves were found to have a peak-to-peak amplitude of 0.1 to 0.2 Pa, a period of 23 min and a velocity of 3.1×102 ms−1.
26 citations
TL;DR: In this paper, the absolute brightness, polarization and polarization direction of inner corona obtained during solar eclipse of july 20, 1963 was analyzed. But the results were not available for the outer corona.
Abstract: Absolute brightness, polarization and polarization direction of inner corona obtained during solar eclipse of july 20, 1963
26 citations
TL;DR: Gravitational observations during the solar eclipse of February 15, 1961, failed to detect an associated gravitational signal and indicated that the "Majorana gravitational absorption coefficient" if any, is probably less than 8.3×1016 cm2 g−1 or at the 95% confidence limit less than 2.6×10−15.
Abstract: Gravity observations during the solar eclipse of February 15, 1961, failed to detect an associated gravitational signal and indicated that the ‘Majorana gravitational absorption coefficient’ if any, is probably less than 8.3×1016 cm2 g−1 or at the 95% confidence limit less than 2.6×10−15. This limit is of the same order of magnitude as those recently reported in the literature, but appears to be more strongly supported by statistical analysis of the observations. It seems to be too small to produce effects detectable by present methods.
26 citations
26 citations
TL;DR: The results of studying the ionospheric effects of the March 29, 2006, solar eclipse are presented in this article, where the results were obtained in measurements of local electron density (ED) at Alma-Ata sounding station and total electron content at the Central Asia network of two-frequency receivers of the GPS navigation system.
Abstract: The results of studying the ionospheric effects of the March 29, 2006, solar eclipse are presented. The results were obtained in measurements of local electron density (ED) at Alma-Ata vertical ionospheric sounding station and total electron content (TEC) at the Central Asia network of two-frequency receivers of the GPS navigation system. The ED decrease at the F-layer maximum reached approximately 28%, the delay of the minimum value of EC relative to the moment of the eclipse maximum phase was about 11 min, the relaxation time was 4 min, and the duration of the EC depression at the 0.5 level was 45 min. Dynamic interlayer formations were observed in the ionosphere near the eclipse maximum phase. A traveling ionospheric disturbance, probably generated at the shock wave front during the supersonic motion of the Moon’s shadow, was detected. The disturbance period and the horizontal projection of the velocity were about 90 min and ∼680 m/s, respectively. The wave vector azimuth (145°) coincides with the model value of the normal to the shock front.
25 citations