> While the current date is 13.8 billion years after the Big Bang, the average star will last over five trillion years. That's mostly true but also not quite.

> While the current date is 13.8 billion years after the Big Bang, the average star will last over five trillion years. That's mostly true but also not quite. The longest-lived main sequence star will have a lifetime of about 500 billion years, the shortest just a million. The only stars that are likely to live into the trillions are red dwarves, which are very common but which have very small habitable zones due to their feeble output.