Golden Spike Ceremony, Promontory Summit, Utah. The Golden Spike ceremony celebrating the 125th aniversery of the driving of the golden spike was held at Promontory Summit, Utah on May 10, 1994. During this celebration, 10,000 people were expected to attend.
When a satellite follows a non-circular orbit around the earth, the satellite's path is an ellipse with the center of the earth at one focus. The point of highest altitude in the elliptical orbit is called the apogee. When a satellite follows a non-circular orbit around the earth, the satellite's path is an ellipse with the center of the earth at one focus.
1.2 (also true horizon) Astronomy A great circle of the celestial sphere, the plane of which passes through the centre of the earth and is parallel to that of the apparent horizon of a place. Example sentences.1  Jinx was startled to note that the horizon of the infinite plane wobbled unsteadily for a moment.xample sentences. 1  Clearly this verse refers to no more than the visible horizon that the dawn âgraspsâ as the sun rises. 2  It felt exactly the way it feels in the simulator: a hard-to-control aircraft and no visible horizon.