Sun

Luminous star around which the Earth and other planets revolve around. The Sun emits 63,000,000 Watts per square meter of electromagnetic radiation. The Sun has an average distance from the Earth of about 150,000,000 kilometers. The Earth’s orbit is not circular but elliptical.

Geography teacher at heart and author of http://sageography.myschoolstuff.co.za. Account Manager for http://www.campuspress.com. Passionate about South Africa!