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18 nautical miles (~almost 21 statute/land miles)
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∙ 14y ago
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How far away can you see bald head islands lighthouses light?
19 miles
How far does the suns light shine?
Light is not measured in watts
How far do lighthouses go back?
At least as far as ancient Greece
How far should headlights shine?
How far should headlights shine?
Which is better lg shine or lg vu?
Lg shine by far!
How did lighthouses help Romans?
Lighthouses were a great help for Roman shipping or any other Mediterranean shipping for that matter. As storms would frequently occur, the lighthouses gave sailors a direction as to where a port was located. In calm weather, the lighthouses acted as a nautical roadmap, as every experienced captain knew where they were located, and how far away from his destination they would be.
How far can the star of Siriuss light shine?
The light itself has no limit, unless it runs into something on the way that absorbs it (soaks it up). The main question is not "How far can the light go ?" The main question is "How far away from the source is your equipment good enough to detect the light ?" With current astronomical equipment, we can detect and measure light coming from 13 billion light years away.
How far does the sun shine?
infinite distance
What does a light year have to do with the sun and the earth?
A "light year" is a measure of distance, derived from "how far light can travel in one Earth year". Thus, if you shine a torch for the amount of time it takes the Earth to orbit the sun exactly once, that light would have travelled the distance of a "light year".
How do lighthouses of the sky measure distance of star groups?
"Lighthouses of the sky" are the Cepheid Variables. These are stars that periodically change in brightness, somewhat the way a rotating beam from a lighthouse would as it fell on an observer. The brightness of a Cepheid is proportional to the period of its variance. So if we know the period (how long it takes the beam to come around), we know how bright the star should be. Comparing that to the observed brightness tells us how far away it is (if it's one-quarter as bright as it would be at a standard distance - 32.6 light years - then it's twice as distant (65.2 light years).)
Do all stars produce their own light?
Stars produce their own light. Through nuclear reactions. They have hot cores that release energy to their cooler outer layers and is radiated into space.
How far do high beams shine?
the answer is approx, 350 feet. if they are standard head lights.
