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When the sun is nine degrees below the horizon which phase of twilight is it?
Wiki User
∙ 11y ago
It is nautical twilight when the center of the sun is between six and twelve degrees below the horizon.
Wiki User
∙ 11y ago
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What happens when the sun is 18 or more degrees below the horizon?
For a short while after the Sun goes down, the sunlight from the areas of Earth still in daylight is scattered through the atmosphere into the night areas. We call this "twilight", and there are three different definitions of "twilight". By the time the Sun is 18 degrees below the horizon, it is generally truly night, and it'll be dark. (Depending on the phase of the Moon, of course...)
What is the phase of the moon when the sunset is near the horizon?
What is the phase of the moon when the sunset is near the horizon?
What moon phase is found low on the western horizon at midnight?
The moon phase the is usually found is the waxing crescent moon. This appears above the western horizon a little after sunset.
Why only 60 degrees phase shift in RC phase shift oscillator?
In order for an oscillator to be stable, its total phase shift must be 180 degrees. The most common design of an RC phase shift oscillator is three identical RC stages in series, which means that each stage contributes 60 degrees. For more information, please see the Related Link below.
What is the phase and phase shift in Integrator and Differentiator?
phase shift in integrator is 180 degrees and phase shift in differentiator is 0 degrees
Which phase of the moon visible near western horizon an hour after sunset?
waxing crescent.
In a three phase power system the phases of each voltages are normally separated by how many time degrees?
In a three phase power system, each phase is separated from the others by 120 degrees.
Do clams adapt or migrate or hibernate?
During the winter, clams hibernate into the mud. When the temperatures falls below 40 degrees will begin their hibernation phase.
When the Moon is at its new phase you cannot see it up in the sky that night?
The moon is below the horizon during the nighttime hours when the moon is new but even when it is above the horizon it can't be seen because the shadowed side of the moon is facing us on Earth and the moon is so close to the sun that it is lost in the sun's glare.
Why phase difference is 120?
Phase difference is 120 degrees because that is one third of 360 degrees. In a multi phase power system, you want each phase to divide a full cycle evenly. So, in a three phase system, each phase is delayed by one third of a cycle. A full cycle at 60 Hz is 16.7 mS, or 360 degrees. One third of that is 5.6 mS, or 120 degrees. A full cycle at 50 Hz is 20 mS, or 360 degrees. One third of that is 6.7 mS, or 120 degrees.
Which phase of the moon visible near the eastern horizon an hour before sunrise?
waning cresent moon
What is the phase difference of two waves in phase?
360 degrees or 2(pi) radians
