... Venus and Mercury moved back and forth across the position of the Sun, sometimes rising before the Sun as morningstars, sometimes setting after it as evening stars, but never appearing in the midnight sky. ...
... Venus and Mercury moved back and forth across the position of the Sun, sometimes rising before the Sun as morningstars, sometimes setting after it as evening stars, but never appearing in the midnight sky. ...
... star as reference point, since stars keep fixed positions on the celestial sphere ... star is seen near the northern celestial pole--Polaris, the pole star (or north star ...
... Imagine yourself standing at night at point P on Earth and observing the pole star (or better, the position of the north celestial pole, near that star), at an elevation angle h above the horizon. ...
... it was than any star in our skies; brighter than the evening star at its brightest ... house-roofs, in open spaces, staring eastward for the rising of the great new star ...
... Stargazers . 1a. Celest. Sphere . 1b. Pole Star . 2. The Ecliptic . 2a. The Sundial . ... N) is an angle in degrees, ranging from 0 to 90, and of course, the afternoon angles are mirror reflections of the morning ones ...