# Often asked: How far can i see?

## Can you see 50 miles away?

The farthest point you can see is about 3 miles out. 6 miles: The average 747 passenger plane flies at about 6.6 miles up in the air. 50 miles: On clear days, city buildings can be seen from 50 miles away ( if you ‘re standing on the ground).

## How far can you see on the water?

For instance, in standard atmospheric conditions, for an observer with eye level above sea level by 1.70 metres (5 ft 7 in), the horizon is at a distance of about 5 kilometres (3.1 mi).

## How far can you see before the curve of the earth?

Your visual curvature is limited to about 5KM ( 3.3miles ) before the object you see on Earth will start appearing below the horizon.

## How far away can the human eye see an airplane?

So, how far can you see from a plane? Here is the theoretical distance you can see from a plane at different altitudes, given perfect weather conditions: at 1000 feet: 38.7 Miles (62km) at 5,000 feet: 86.6 Miles (140 km)

## How far can you see with the naked eye?

Based on the curve of the Earth: Standing on a flat surface with your eyes about 5 feet off the ground, the farthest edge that you can see is about 3 miles away.

## How far can a human walk in a day?

A trained walker can walk a 26.2- mile marathon in eight hours or less, or walk 20 to 30 miles in a day.

## How far is the bird from the sea level?

Answer. Distance of bird from sea level = 13710 =13.7 ft.

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## Is the Ocean Flat?

Just as the surface of the Earth is not flat, the surface of the ocean is not flat. The surface of the sea changes at different rates around the globe. The term “global sea level,” refers to the average height of all of the Earth’s ocean basins.

## How far can the human eye see on a mountain?

In the real atmosphere, other factors limit the visibility of distant objects. From a tall building on a clear day, you can see mountains as far away as about 100 miles.

## Where in the world can you see the farthest?

The furthest photographed sightline in the world is 443 km, from Pic de Finestrelles in the Spanish Pyrenees to Pic Gaspard in the French Alps, almost 100x further than what can be seen driving along the prairies and staring at the horizon.

## How far out in the ocean before you lose sight of land?

The correct answer is about 3 miles if your eye is about a foot above the ocean. However, most sea captains will tell you that you can see a ship approaching at 12 miles. This is why International Waters are set to 12 miles offshore.

## How far away can you see clouds?

So for that kind of cloud, the maximum possible distance to the top of the cloud is 450 km. Clouds do get higher up. Noctilucent cloud s can be found higher up at 85 km. This means they could be seen from up to 1,000 km away.

## How far away are planes in the sky?

Commercial aircraft typically fly between 31,000 and 38,000 feet — about 5.9 to 7.2 miles — high and usually reach their cruising altitudes in the first 10 minutes of a flight, according to Beckman. Planes can fly much higher than this altitude, but that can present safety issues.

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## Why do planes not crash into each other?

Originally Answered: How do airplanes not hit each other? Pilots have eyes, so that’s the first line of defense as well as radars and proximity systems to alert the crew of nearby planes. Another rule is that a plane is not allowed to land on an runway if another plane is still on the runway.

## How far can you see with 20 20 Vision?

If you have 20/20 vision, you can see clearly at 20 feet what should normally be seen at that distance. If you have 20/100 vision, it means that you must be as close as 20 feet to see what a person with normal vision can see at 100 feet. Having 20/20 vision does not necessarily mean you have perfect vision.

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