The Sun has been radiating energy at its present rate for nearly:
A50 million years
B5 billion years
C5 million years
D50 billion years
Answer & Solution
Correct answer: B. 5 billion years
1. It will continue for about 5 billion more.
2. It has shone for nearly 5 billion years.
3. Half the energy is absorbed by the atmosphere.
_Source: syllabus Science, Chapter 14, Sources of Energy._
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