How Far Can a Person See to the Horizon

How does the eye process images. Often the curvature of the Earth gets in the way first.

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Now lets say that you are staying in a beachfront hotel on the 20th floor 250 feet above sea level.

. That would make R about 7440 km so that the distance to the horizon in kilometers is about 386 km times the square root of the height in meters or about 132 miles times the square root of the height in feet. How far can a person see horizons from a 64 m above the surface. Below are additional selected citations in chronological order.

You must understand that what seeing means. The equation d 135h12 represents the distance d in miles you can see out into the horizon where h is the height in feet of your eyes above ground level determine how tall a person is if he or she can see 275 miles out. Subtract this value from your total height and what will be left is the distance between your eyes and the surface youre standing on.

If both were standing on the Earths surface at sea level one person could see the horizon at approximately 465 km away Hes 18m tall but his eyes are about 17m above ground level. 117 times the square root of your height of eye in feet Distance to the horizon in nautical milesRef. First persons height h 100 m above the earths surface.

Step 1 Measure your height of eye Measure the length between the ground and your eyes in meters or feet. For example at sea level the horizon is only 48 kilometres 29 miles away. Depending on how you look at it the human eye can see 2 miles or more than 2 million light-years.

How Far Can You See On The HorizonAlso the higher the observers eyes are from sea level the farther away the horizon is from the observer. So We have to find that. If you say you can see something that means your eyes can detect the light coming from that object and form an image of it.

One way to calculate this is to measure the distance between your eyes and the top of your head. For instance in standard atmospheric conditions for an observer with eye level above sea level by 170 metres 5. If you want to calculate the distance at which an object becomes.

Often the curvature of the Earth gets in the way first eg at sea level the horizon is only 48 kilometres 29 miles away. Theoretical theres no limit to how far a human can see. On the top of Mt Everest you could theoretically see for 339 kilometres 211 miles but in practice cloud gets in the way.

Even people with eye defects like myopia or hypermetropia can see everything though not clearly. Then you can see about 837 miles across the ocean. Dust water vapour and pollution in the air will rarely let you see more than 20 kilometres 12 miles even on a clear day.

Thats 48km for a person of average height standing at sea level and looking out to sea. If you are standing exactly. How far can a person see before the curvature of the earth blocks the view if they were standing on a beach looking out to the ocean.

Working out this k value we can use R 3959miles so that with h in feet we have 2Rh 41807040h 41807040 5280 h miles 122459 h miles. Second persons height h1 36 m. If a person 100 m above the surface of Earth can see 15 km to the horizon how far can a person see to the horizon from a point 36 m above the surface.

Km to the horizon. Here Nanny had taken the biggest thing God ever made the horizonfor no matter how far a person can go the horizon is still way beyond you and pinched it in to such a little bit of a thing that she could tie it about her granddaughters neck tight enough to choke her. 900 m 09 km Explanation.

If the other person were another 478 km away person 1. Dust water vapour and pollution in the air will rarely let you see more than 20 kilometres 12 miles even on a clear day. Now lets say you go up on a sand dune next to the beach taking your eyeballs 50 feet into the air.

In miles the horizon is approximately 31 miles away. 1R 1R 1 7R 6 7R so that R R 76. So how it is that is that one is given as 144 m and he can see a distance of 18 Majors I think.

117 3 351 nautical miles. From there you can see about 27 miles across the ocean. This is the distance to the horizon in kilometres.

From the question we have the following. We have certain things given that. Conversely if you have 2012 vision you can see something clearly at 20 feet that most people need to be 12 feet from to see clearly.

The furthest distance to the horizon that the human eye can see varies slightly depending on a persons height. Distance to the horizon that can be seen s 15 km 15000 m. From five metres higher up at the top of the beach the horizon would be almost twice as far away.

Yes 18 kilometers kilometers to the horizon. Okay that this is if a person 144 m above the surface. 117 times the square root of your height of eye Distance to the horizon in nautical miles.

On the top of Mt Everest you could theoretically see for 339 kilometres 211 miles but in practice clouds get in. 117 times the square root of 9 Distance to the horizon in nautical miles. For example if your height of eye is 9 feet above the surface of the water the formula would be.

The distance that a person can see to the horizon on a clear day from a point above the surface of Earth varies directly as the square root of the height at that point. For example if our eye is 5feet about sea level then the horizon distance is about 122459 52738miles away.

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