The Total Time the Sun Will Spend Converting Hydrogen to Helium

question 172

Multiple Choice

The total time the Sun will spend converting hydrogen to helium in its core is:

• A) about 4.5 million years.
• B) about 1 million years.
• C) at least 200 billion years (2 × 10¹¹ years).
• D) about 10 billion years (10¹⁰ years).

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