# Question: How Far Can You See On The Horizon Calculator?

## How far can you see to the horizon?

3 milesThe old saying turns out to be just about true.

For a six-foot tall person, the horizon is a little more than 3 miles (5 km) away.

Geometry tells us that the distance of the horizon – i.e.

the farthest point the eye can see before Earth curves out beneath our view – depends simply on the height of the observer..

## How far can you see on the ocean calculator?

If you are on the tuna tower of a sport fishing boat you may be 15, 20, 25 feet above the surface of the water. For example, if your height of eye is 9 feet above the surface of the water, the formula would be: 1.17 times the square root of 9 = Distance to the horizon in nautical miles.

## How far is the horizon on the moon?

2.43 kmThe Moon is even smaller with a radius of only 1737.4 km, meaning on the moon, the horizon is only 2.43 km away. Take a closer look at those Apollo photographs from the surface of the Moon. You can actually see that.

## Can pilots see the curve of the earth?

You can see 300 miles away,” he said from the cockpit of NASA’s high-altitude ER-2 research aircraft. “You can see the curvature of the Earth. If you look up, the sky is very dark blue.”

## What is the curve of the earth called?

Hypsometric curveHypsometric curve, also called Hypsographic Curve, cumulative height frequency curve for the Earth’s surface or some part thereof.

## What degree is the Earth tilted?

23.5 degreesToday, the Earth’s axis is tilted 23.5 degrees from the plane of its orbit around the sun. But this tilt changes. During a cycle that averages about 40,000 years, the tilt of the axis varies between 22.1 and 24.5 degrees. Because this tilt changes, the seasons as we know them can become exaggerated.

## How deep can you see in the ocean?

Sunlight entering the water may travel about 1,000 meters (3,280 feet) into the ocean under the right conditions, but there is rarely any significant light beyond 200 meters (656 feet). The ocean is divided into three zones based on depth and light level.

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

The Earth curves about 8 inches per mile. As a result, on a flat surface with your eyes 5 feet or so off the ground, the farthest edge that you can see is about 3 miles away.

## How far is the horizon at 1000 feet?

If your eye is on 5 feet height above the sea level, then the using the table, the horizon is on 2.4 NM distance….Tabel: Distance to Horizon (height in feet and distance in nautical miles)Height [feet]Distance Horizon [NM]80030,190031,9100033,7200047,626 more rows

## How many miles is it to the moon and back?

Don’t be fooled! They’re actually really far apart. The Moon is an average of 238,855 miles (384,400 km) away.

## How do you calculate curvature?

Step 1: Compute derivative. The first step to finding curvature is to take the derivative of our function, … Step 2: Normalize the derivative. … Step 3: Take the derivative of the unit tangent. … Step 4: Find the magnitude of this value. … Step 5: Divide this value by ∣ ∣ v ⃗ ′ ( t ) ∣ ∣ ||\vec{\textbf{v}}'(t)|| ∣∣v ′(t)∣∣

## How much does the earth curve per km?

The curvature amounts to about 8 inches per mile. Since a km is 5/8 of a mile, this works out nicely. It would be 5 inches per km, and since there are 2.2 cm per inch, this would amount to 11 cm per km.

## How many miles is it to the moon?

384,400 kmMoon/Distance to Earth

## How far can you see on a clear day from a mountain?

about 100 milesIn 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.

## What’s the circumference of Earth?

40,075 kmEarth/Circumference

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

While your body is made for walking, the distance you can achieve at an average walking pace of 3.1 miles per hour depends on whether you have trained for it or not. 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 can a human see another human?

If both were standing on the Earth’s surface at sea level, one person could see the horizon at (approximately) 4.65 km away (He’s 1.8m tall, but his eyes are about 1.7m above ground level). If the other person were another 4.78 km away, person 1 could just see the top of his head.

## How close is moon tonight?

The moon will reach mean distance of 238,855 miles (384,400 km) on April 28, 2018. Click here to find out the moon’s present distance.