Multiple choice general knowledge science & technology

Our sun has an expected lifetime of about -- billion years.

  1. 8

  2. 9

  3. 10

  4. 11
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Our Sun has an expected total lifetime of approximately 11 billion years based on its mass and nuclear fuel consumption rate. It is currently about 4.6 billion years old, roughly midway through its main sequence lifetime before evolving into a red giant.

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