## How do you calculate the area of the earth?

To find the surface area of the Earth we have to use the formula of 4*Pi*radius squared. The radius of the Earth is approximately 6,371 kilometers.

## How much of the earth is earth?

The total surface area of Earth is about 197 million square miles (510 million square km). About 71 percent is covered by water and 29 percent by land.

## How much money would it cost to buy the world?

Around \$225 trillion. US net worth is around \$50 trillion, its GDP is around \$17 trillion. That means the “wealth” of the country is about 3x its GDP, and “money to buying everything” essentially means amount of overall wealth. Gross World Product is the sum of all countries’ GDPs, and it’s around \$75 trillion.

## How much is it to buy the moon?

Buy a piece of the moon Headed by Dennis Hope, the company sells pieces of the moon for around \$20 per acre, and to this point, over 2.5 million have already been sold. By this method, the moon’s 9.3 billion acres are worth approximately \$180 billion.

## Can I buy a piece of space?

Outer space, including the moon and other celestial bodies, is not subject to national appropriation by claim of sovereignty, by means of use or occupation, or by any other means. No country can own the Moon. And no citizens or companies from those countries can own any property either.

## Is it illegal to own a rock from the moon?

Although NASA’s lunar missions returned more than 842 pounds of moon rock to Earth, it is illegal for private citizens to own any of it (lunar meteorites, however, are perfectly legal). Instead, lunar samples were used as goodwill gifts to 135 countries and each of the 50 states.

The federal government forbids private ownership of any Apollo sample. Yet, such samples show up every now and then. The most common form they take is dust stuck to adhesive tape (an easy way to “clean” the surface of some exposed sample container, tool, or space suit used on the lunar surface).

## Are moon rocks worth money?

One could say moon rocks are always caviar, but caviar isn’t always moon rocks. Given the high potency of moon rocks, a high price tag is a practical inevitability. Today, moon rocks cost a little more than your top-shelf flower, around \$25-35 a gram depending on where you live and the quality of the product.

## Is there gold on moon?

There is water on the moon … along with a long list of other compounds, including, mercury, gold and silver. Turns out the moon not only has water, but it’s wetter than some places on earth, such as the Sahara desert. …

## How many moon rocks are missing?

Of the 270 Apollo 11 Moon rocks and the Apollo 17 Goodwill Moon Rocks that were given to the nations of the world by the Nixon Administration, approximately 180 are unaccounted for. Many of these rocks that are accounted for have been locked away in storage for decades.

## Are moon rocks toxic?

The longer the particle stays, the greater the chance for toxic effects. The potential damage from inhaling this dust is unknown but research shows that lunar soil simulants can destroy lung and brain cells after long-term exposure.

## Are moon rocks safe to touch?

If you like handling tiny glass shards, sure, go ahead and touch the lunar surface. But avoid the rocks. Twelve people have walked on the moon since humans landed there 50 years ago, but no one has ever directly touched its surface.

## Why we Cannot talk in space?

When astronauts are out in space, they can whistle, talk, or even yell inside their own spacesuit, but the other astronauts would not hear the noise. Because there is nothing out in space (like an atmosphere), the sound waves from one astronaut’s whistling can’t travel over to the other astronaut’s ears.