Electromagnetic energy transmitted from the sun (solar radiation). The amount that reaches the earth is equal to one billionth of total solar energy generated, or the equivalent of about 420 trillion kilowatt-hours.
Be the first to post feedback! Click here to post feedback.
Post Feedback:
Login using the form on the top of the page to post feedback if you have registered with ThriftyFun. If you have not yet registered, click here. It's FREE!. If you are not registered you can post feedback as a guest below. Please don't use your email address for your name because spam robots can dredge it from our site. Please do not post your feedback more than ONCE. We need to approve all guest feedback and it may take from minutes to hours for that to happen.
