... Its shadow then is shortest and points north. ... exactly vertical (check with hanging string), and mark its shadow on the ground ... two measurements of the endpoint when the shadows are NOT at their shortest but are ...
... Its shadow then is shortest and points north. ... exactly vertical (check with hanging string), and mark its shadow on the ground ... two measurements of the endpoint when the shadows are NOT at their shortest but are ...
... 9a. Aristarchus: Is Earth Revolving around the Sun? . 9b. The Earth's Shadow . 9c. Copernicus, Galileo, and the Discovery of the Solar System . ...
... in Alexandria, some 500 miles to the north, was not overhead, as shown by the fact that a vertical column cast a shadow at noon ... The shadow of the column suggested that the displacement from zenith of the Sun in Alexandria was 1/50 of a circle. ...
... So, the subsatellite is in the absolute shadow for several hours and is being ... in the main S/C composition on its shadow side, that was why , as it seemed at that ...
... G. Kotova, M. Verigin, V. Bezrukikh, The effect of the Earth's optical shadow on thermal plasma measurements in the plasmasphere, Journal of Atmospheric and Solar-Terrestrial Physics, 120, 914, 2014. ...
... The border of shadow region (upper border for Fig. 2 ) shows the expected shape of magnetopause according the positions of crossings observed by two spacecraft. ...