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Verse:Qu: Difference between revisions
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Attempting to triangulate this apparent sun from various points ''along'' a tube by simultaneously measuring the angle of the ''elo'' in the sky results in an apparent infinite distance, while triangulation from points ''around'' a tube indicate the light sources is in the centre of the tube. | Attempting to triangulate this apparent sun from various points ''along'' a tube by simultaneously measuring the angle of the ''elo'' in the sky results in an apparent infinite distance, while triangulation from points ''around'' a tube indicate the light sources is in the centre of the tube. | ||
The light of the ''elo'' is in fact emitted by the ''ukana'' or 'sun spoke', a thick bar running through the centre of each tube. The | The light of the ''elo'' is in fact emitted by the ''ukana'' or 'sun spoke', a thick bar running through the centre of each tube. This can be clearly seen when the ''ukana'' is shrouded in clouds which scatter the directional light. It then appears as a long, straight, bright line in the sky. The illusion of a single source of light is caused by the highly directional (non-diverging) light emitted uniformly from along its surface. As the angle at which the ukana emits light changes during the course of a day, shining westward in the morning, directly outward at midday and eastward in the evening. This causes the gradual change in position of ''elo'', the apparent sun. | ||
At night, dimmer lights can be seen from the ''ukana'', and an apparent moon-cycle is simulated. This moon-like light is known as ''aila'' and although it does not display crescent and gibbous shapes, its timing and brightness changes throughout the month similarly to that of the Earth's moon. | At night, dimmer lights can be seen from the ''ukana'', and an apparent moon-cycle is simulated. This moon-like light is known as ''aila'' and although it does not display crescent and gibbous shapes, its timing and brightness changes throughout the month similarly to that of the Earth's moon. | ||