Or to measure this enormous output another way: If all the sun’s power could be harnessed for just one second, it would provide the United States “with enough energy, at its current usage rate, for the next 9,000,000 years, ” says the Space Weather Prediction Center (SWPC) Web site.
तरी, सूर्याच्या उर्जेतील फक्‍त हा अल्पांश, पृथ्वीवरील जीवसृष्टीला टिकवून ठेवण्यास पुरेसा आहे.