| 41. | The light on top emits a white, red or green light, depending on direction, occulting three times every 10 seconds.
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| 42. | "' Hellevik Lighthouse "'( ) is a coastal lighthouse in the municipality of occulting once every 6 seconds.
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| 43. | A lens focuses an image of the sun onto a masking or occulting disk that prevents the light from proceeding farther into the telescope.
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| 44. | An occulting light is a rhythmic light in which the duration of light in each period is longer than the total duration of darkness.
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| 45. | In 1944 the clockwork mechanism controlling the occulting of the light was replaced, as the original was considered on the verge of failure.
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| 46. | It has a white, red, or green light ( depending on direction ) that is occulting twice every 7.5 seconds.
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| 47. | Its coloring is dark, its composition occulting a star three times : first on February 2, 1998, and twice in January 2003.
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| 48. | The 30, 800 candela light emits white, red, or green light ( depending on direction ) occulting three times every 10 seconds.
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| 49. | Variations in the brightness of the star give evidence of instabilities in the star's atmosphere, or else the presence of an occulting companion.
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| 50. | We know, also, that multiple lights were a feature of many locations before occulting lights arrived to give a station clear identity at night.
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