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- Beidou, the chinese satnav system
- 1 Hits, Last modified:
- geostationary
satellite just high enough over the horizon, the inclined
geostationary ones come into view w
- Using Beidou in Europe
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- y
the fact that even when a satellite is over the horizon (in view
according to the receiver) it's signal p
- The Great American eclipse
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- clipsed you can suddenly see into space while the
horizon looks like it is twilight. You can actually see t
- Eise planet map
- 1 Hits, Last modified:
- next rise time of the planets which are under the horizon and
lists those planets, with the next rise time,
- Nanjing’s ancient Observatory
- 1 Hits, Last modified:
- used to measure the angle between the Sun and the horizon. Because a
gnomon is positioned exactly on the lo
