THE correspondence on terrestrial refraction from Mr. Mallock and Dr. de Graaff Hunter in NATURE of June 9, p. 456, and August 11, p. 745, raises a paradox which I think must have puzzled many readers ...
The Brightness of Starlink and OneWeb Satellites During Ingress and Egress from Terrestrial Eclipses
A model that combines celestial geometry and atmospheric physics is used to calculate the dimming of artificial satellites as they enter and exit the Earth’s shadow. Refraction of sunlight by the ...
I PERCEIVE on further consideration that my suggestion (NATURE, January 5, p. 8) of a spherical wave-front in place of a plane one to account for the discrepancy between the coefficient of terrestrial ...
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