Question

Estimate how much solar energy reaches the earth in one year (in Joule).

Answer 1

Explanation:

Each hour 430 quintillion Joules of energy from the sun hits the Earth. That's 430 with 18 zeroes after it! In comparison, the total amount of energy that all humans use in a year is 410 quintillion Joule

Answer 2

Answer:The better locations on Earth land surface have an insolation of 7 kWh/m2/day or on average 25.2e7 Joules/m2/day or about 9e9 Joules/m2 annually.

Explanation:

The word energy gets readily bandied about. In this website, it’s meaning is reserved to be a fundamental unit of measurement. With this, energy is directly related to mass as in;

Energy = Mass * (speed of light)2

E = m c2

4.184 Joules = 1 calorie

Yearly solar emissions $10^{34}$

Each hour 430 quintillion Joules of energy from the sun hits the Earth. That's 430 with 18 zeroes after it! In comparison, the total amount of energy that all humans use in a year is 410 quintillion

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