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  2. theconversation.com › the-sun-wont-die-for-5The sun won’t die for 5 billion years, so why do humans have ...

    Feb 12, 2015 · Even before the sun finishes burning hydrogen, it will have changed from its present state. The sun has been increasing its brightness by about 10% every billion years it spends burning hydrogen.

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  4. www.sciencealert.com › scientists-figured-out-howScientists Figured Out How And When Our Sun ... - ScienceAlert

    Sep 5, 2021 · The Sun is about 4.6 billion years old – gauged on the age of other objects in the Solar System that formed around the same time. Based on observations of other stars, astronomers predict it will reach the end of its life in about another 10 billion years.

  5. starlust.org › the-lifecycle-of-our-sunFrom Birth to Death: The Lifecycle of Our Sun - StarLust

    Jan 30, 2023 · Today, approximately 4.5 billion years later, the Sun is still in the main sequence phase of its lifecycle, fusing hydrogen atoms together into helium to produce energy in the form of radiation including primarily heat and light.

  6. spaceplace.nasa.gov › sun-age › enHow Old Is the Sun? | NASA Space Place – NASA Science for Kids

    May 25, 2021 · If our Sun is four and a half billion years old, how much longer will it shine? Stars like our Sun burn for about nine or 10 billion years. So our Sun is about halfway through its life. But don’t worry. It still has about 5,000,000,000—five billion—years to go. When those five billion years are up, the Sun will become a red giant. That ...

  7. www.nasa.gov › news-release › solar-cycle-25-is-hereSolar Cycle 25 Is Here. NASA, NOAA Scientists Explain What ...

    Sep 15, 2020 · The Solar Cycle 25 Prediction Panel, an international group of experts co-sponsored by NASA and NOAA, announced that solar minimum occurred in December 2019, marking the start of a new solar cycle. Because our Sun is so variable, it can take months after the fact to declare this event.

  8. www.esa.int › Science_Exploration › Space_ScienceESA - Gaia reveals the past and future of the Sun

    Aug 11, 2022 · With an age of around 4.57 billion years, our Sun is currently in its comfortable middle age, fusing hydrogen into helium and generally being rather stable; staid even. That will not always be the case.

  9. science.nasa.gov › sun › factsOur Sun: Facts - Science@NASA

    Length of year: The Sun doesn't have a "year," per se. But the Sun orbits the center of the Milky Way about every 230 million Earth years, bringing the planets, asteroids, comets, and other objects with it.

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