1991 Solar Eclipse Total solar eclipse of July 11, 1991 as seen from Baja California. This digital mosaic is derived from five individual photographs, each exposed correctly for a different radius in the solar corona. The inner four photographs were taken by Dennis di Cicco (Sky and Telescope)...
solar eclipses/ AD 1991 07 11solar eclipsestereo imageSunsolar coronawhite-light observationsthree-dimensional structureprominent coronal structuresbroad threadsTHE structure of the solar corona is believed to be governed by the solar magnetic field induced by currents at the surface of the Sun and ...
The 11 July 1991 total solar eclipse over Mauna Kea was a unique opportunity to study the limb profile of the 12.32 m MgI emission line. Our observations used the NASA 3-meter Infrared Telescope Facility,1 and a new Goddard large cryogenic grating spectrometer. Spectra of the line were taken...
(KR)doi:10.1111/j.1949-8594.1991.tb12103.xJohn Lamb Jr.Department of Mathematics East Texas State University Commerce, Texas 75429School Science & MathematicsLamb, J., 1991. A mathematical model of the great solar eclipse of 1991. Sch. Sci. Math. 91 (7), 293-296....
Ground measurements of the geomagnetic field, during the total solar eclipse of July 11, 1991, were carried out at three sites in Costa Rica located within... J Brenes,G Leandro,W Fernández - 《Earth Moon & Planets》 被引量: 32发表: 1993年 Total Solar Eclipse of 2001 June 21 Predictio...
Effects of the solar eclipse on 15 January 2010 on the surface O3, NO, NO2, NH3, CO mixing ratio and the meteorological parameters at Thiruvanathapuram, India In this paper, we present the effect of total solar eclipse on surface O, NO, NO, NH, CO mixing ratio and the meteorological...
Ancient observations of lunar and solar eclipses, equinoxes, and lunar occultationsFotheringham (1920)30.83.76 De Sitter (1927)37.7 ± 4.14.60 ± 0.50 Newton (1970)41.6 ± 4.35.08 ± 0.52 42.3 ± 6.15.16 ± 0.74 Stephenson (1972)34.0 ± 2.04.15 ± 0.24 ...
A historic total solar eclipse happens on April 8, 2024. Before you put on your safety glasses to look up, look back at the eclipses of the past.
Related to eclipse retinopathy:solar maculopathy,Solar retinopathy ret·i·nop·a·thy (rĕt′n-ŏp′ə-thē) n.pl.ret·i·nop·a·thies 1.Any of various disorders affecting the retina of the eye, marked by damage to retinal blood vessels, swelling of the retina, or abnormal growth ...
Isaw my first partial solar eclipsemore than 50 years ago. And I’ve seenone total solar eclipsebefore in my life—in 1991. It was the longest eclipse (6 minutes 53 seconds) that’ll happen for more than a century. There was a certain irony to my experience, though, espe...