Assertion: sun | /r/CapableOf | burn off around half of its hydrogen stores
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Source sentences:
text: At 4.5 billion years old, the Sun has burned off around half of its hydrogen stores and has enough left to continue burning hydrogen for another 5 billion years.
text: At 4.5 billion years old, the Sun has burned off around half of its hydrogen stores and has enough left to continue burning hydrogen for another 5 billion years.