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What is the angular distance of the horizon below the plane of observation caused by the curvature of the earths surface called?
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∙ 13y ago
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∙ 13y ago
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The altitude of an object in the sky is it angular distance of?
above the horizon is the answer
Can you define altitude of a celestial body?
The angular distance of a heavenly body above the horizon.
What is the difference between radio horizon and optical horizon?
radio signal bents around the curvature of earth and hence travel longer distance than the line of sight signal. At ultra high frequencies signal follows the line of sight path and hence maximum communication distance is limited due to curvature of earth for given height of transmitting and receiving antenna
What is the angular diameter of the moon just above the horizon?
163.36
How many moons placed next to each other would extend from one point on the horizon to the point on the opposite side of the horizon?
Measure the angular size of the moon and divide 180 degrees by the angular size.
The altitude of an object in the sky is it angular distance of?
above the horizon is the answer
Can you define altitude of a celestial body?
The angular distance of a heavenly body above the horizon.
What is the angular distance around the horizon from some reference point?
If the reference point and an object are both on the horizon then the angular distance to the object, relative to the reference point is simply the angle formed between the two rays from the observer to object and to the reference point. If either the object or reference point (or both) are not in the plane of the horizon then the appropriate rays are the projections of the rays from the observer onto the plane containing the horizon.
Where can I go to see the curve of the earth?
You need to get to a sufficiently high altitude or distance from the Earth to being to see the curvature. A minimum heihgt of around 60 to 70,000 ft is required to be able the see the curvature of the horizon.
What is the formula for determining distance to the horizon from a given height?
To get an "approximate" distance to the oceanic horizon from a particular observation point, take the square root of the height of the observation point, add 22.5%, and that will give you the distance in statute miles. For example, if your eyes were 6 feet off the ground, and you stood atop a 50' tower, your observation point would be 56'. The square root of 56' is 7.48. Add 22.5% of 7.48 (1.68) to 7.48 and you have 9.16 statute miles from your eyes to the horizon.
What is the difference between radio horizon and optical horizon?
radio signal bents around the curvature of earth and hence travel longer distance than the line of sight signal. At ultra high frequencies signal follows the line of sight path and hence maximum communication distance is limited due to curvature of earth for given height of transmitting and receiving antenna
Why do you have horizon?
Because the earth is a sphere. The horizon is the curvature of the earth (or other planet) as it falls away from you.
Why is it that you can't notice the Earth's roundness?
If you can see the horizon in the distance (like on a ship) you can notice the curvature of the earth. It's harder to notice when buildings and hills are in the way.
What is the distance from point A in the ocean to the horizon?
2 miles.Answer:The distance to the horizon on the ocean is a function of the height of the observation point. In general (and with thanks to Pythagoras) it is:d=(h(D+h))0.5 whered = distance to the horizonD = diameter of the Earthh = height of the observer above sea level
What is the angular diameter of the moon just above the horizon?
163.36
When was the sextant used?
Sextant, instrument for determining the angle between the horizon and a celestial body such as the Sun, the Moon, or a star, used in celestial navigation to determine latitude and longitude. ... The angular distance of the star above the horizon is then read from the graduated arc of the sextant
How many moons placed next to each other would extend from one point on the horizon to the point on the opposite side of the horizon?
Measure the angular size of the moon and divide 180 degrees by the angular size.
