... At the beginning, the Sun is on the horizon just to the right of the frame, and it sinks during the next hour. ... 1.8 meters above the Martian surface, has now revealed Couch to be a free-standing object positioned at the Martian horizon ...
... auroras (usually red) were also sometimes seen During the International Geophysical Year 1957-8, "all-sky cameras" were devised to record the entire aurora, horizon to horizon, by photographing its reflection (rather distorted!) from a curved mirror ...
... During the International Geophysical Year 1957-8, "all-sky cameras" were devised to record the entire aurora, horizon to horizon, by photographing its reflection (rather distorted!) from a curved mirror. ...
... The concept of the horizon is not only described, but the distance of the horizon is calculated as an application of Pythagoras' theorem (derived independently and quickly in an appendix) and is illustrated by the story of Zebulon Pike first observing ...
... Depending on the hour of the night and the day of the year, one or the other may be low near the horizon where it is barely seen, or even hidden below the horizon. ...
... The concept of the horizon is not only described, but the distance of the horizon is calculated as an application of Pythagoras' theorem (derived independently and quickly in an appendix) and is illustrated by the story of Zebulon Pike first observing ...
... can see neither the pole star nor the Big Dipper, they are always below the horizon ... the equator , the pole star would be on the horizon, and the Big Dipper close to it ... In the "lower 48 states" of the US, it may be too low on the horizon. ...
... 23) What are comet tails made of? . (33) Distance to the Horizon on an Asteroid . ... 107) Distance of horizon on Mars . (116) The unusual rotation of the planet Venus . ... 75) Teaching about tides . (76) Distance to the Horizon . ...