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That's a fairly easy calculation.
The Sun is 93,000,000 miles away. The formula for the area of a sphere is 4/3*pi*r^2
The cross-sectional area of the Earth is a circle with a radius of about 4,000 miles. The formula for the area of a circle is pi*r^2.
Google can be used as a calculator! The answer is
(pi * (4000^2)) / ((4 / 3) * pi * (93 000 000^2)) = 1.38744364 × 10-9
So, 0.0000001387%.
In technical terms, that's "Not much!"
Comments: Unfortunately, this answer uses the wrong formula for the surface area of a sphere. I calculate the correct answer to be about 0.00000004.5 %.
Also, it doesn't deal with the point about how much energy reaches
the surface of Earth.
Surface area of a sphere is: 4 "pi" (radius)2 .
What else can I help you with?
How is the desert of California classified?
It's actually 24 percent from what I've gathered.
If a satellite orbiting just above the surface of the Earth orbits in about 1.5 hours then at about how many Earth radii from the Earth's center must a satellite orbit to have a period of 24 hours?
You can use Kepler's Third Law to calculate this.
What percent of the living animal live in the ocean?
The oceans are estimated to accumulate for 50-80% of all life on earth.
What are the 3 differences between and three similarities of Venus and Earth?
Earth has life and water. It is an Inner planet and is rocky.Mars is dusty and more bumpy.Saturn has a ring around it.im not so sure about the others though
What percent of India is covered by mountains?
how many percent coyerd by mountain in india
How many percent of the Earth's surface is used for living?
40%
Is it true that only three or four meteorites reach earths surface each year?
No it is not true. Many, many meteorites reach the earth's surface.
How many percent of the earth is land?
Approximately 29% of the Earth's surface is land, while the remaining 71% is covered by water.
Do all meteors impact on Earth's surface?
Not all meteors impact the surface of the earth. Many burn up in the atmosphere prior to impact. The majority of meteors that do reach the earth's surface usually impact desolate regions.
How many hours it to take for the Sun to reach Earth's Surface?
The Sun doesn't reach Earth's surface; the Sun stays right where it is, in the center of our Solar System.The Sun's light takes about 8 minutes to reach Earth (150 million km. / 300,000 km/second).The Sun doesn't reach Earth's surface; the Sun stays right where it is, in the center of our Solar System.The Sun's light takes about 8 minutes to reach Earth (150 million km. / 300,000 km/second).The Sun doesn't reach Earth's surface; the Sun stays right where it is, in the center of our Solar System.The Sun's light takes about 8 minutes to reach Earth (150 million km. / 300,000 km/second).The Sun doesn't reach Earth's surface; the Sun stays right where it is, in the center of our Solar System.The Sun's light takes about 8 minutes to reach Earth (150 million km. / 300,000 km/second).
How many does the earth cover with salt water?
The Earth's surface is covered by approximately 70 percent salt water. The remaining 30 percent consists of ice and land where a majority of the population exists.
How many percent of earth covered by water?
70% of the Earth's surface is covered in salt water. Liquid fresh water covers less than 1% of the Earth
Ninety-nine percent of the atmosphere's weight is within how many kilometers of Earth's surface?
Ninety-nine percent of the atmosphere’s weight is within 30 kilometers of Earth’s surface. This part of the atmosphere is known as the troposphere, where most of Earth’s weather occurs and where gravity compresses the air molecules.
What percentage of Earth's surface is below sea level?
Many parts of the world fluctuate because of tides, global positioning, and natural phenomenon, but on the average, 70 percent of the earth's surface is below sea level.
What percentage of the earth's countries have mountains in them?
The surface of the earth is covered by water for the most part. However, there are countries on many of the earth's landmasses. The percentage of countries that have mountains in them is approximately 30 percent.
How many miles squared is 2 percent of the world?
2% of the total surface area of the earth is 3.94 million square miles.
How many percent of water you have on earth?
75 percent
