how long is the sun's lifespan, what is the lifetime of the sun, how much life does the sun have, how long can the sun last, how long will the sun survive, how much longer will the sun live, expected life of the sun
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how long is the sun's lifespan
what is the lifetime of the sun
how much life does the sun have
how long can the sun last
how long will the sun survive
how much longer will the sun live
expected life of the sun
how long is the sun's lifespan, what is the lifetime of the sun, how much life does the sun have, how long can the sun last, how long will the sun survive, how much longer will the sun live, expected life of the sun
