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  2. 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.

  3. Sep 21, 2023 · What will happen to the solar system when the Sun dies? It might be the end of planet Earth, but life could still find a way.

  4. Jan 6, 2024 · When a main-sequence star like our sun—also called a G-type star or a yellow dwarf—reaches the end of its life, it runs out of the hydrogen needed to power nuclear fusion in its core.

    • Jonathan O'callaghan
    • When The Sun Dies
    • About Planetary Nebulae
    • The Fate of Our Sun

    What does death mean for the sun? It means our sun will run out of fuel in its interior. It’ll cease the internal thermonuclear reactions that enable stars to shine. It’ll swell into a red giant, whose outer layers will engulf Mercury and Venus and likely reach the Earth. Life on Earth will end. If the sun were more massive – estimates vary, but at...

    The name planetary nebula has nothing to do with planets. It describes a massive sphere of luminous gas and dust, material sloughed off an aging star. In the 1780s, William Herschel called these spherical clouds planetary nebulaebecause, through his early telescope, planetary nebulae looked round, like the planets in our solar system. Astronomers a...

    Will that be the fate of our sun? Will it – at the end of its life – become briefly visible to alien astronomers on planets millions of light-yearsaway? These astronomers say no. They say their models predict that our sun – though forming a planetary nebula at the end of its life – will remain faint. Read more about this study from the University o...

  5. May 3, 2023 · Joe Pinkstone Science Correspondent. 03 May 2023 9:30pm BST. Few people would want to know the time and nature of their own demise, but for planet Earth, its fate is sealed. In five billion years...

  6. Dec 4, 2019 · A newly discovered planet offers new insights into the Solar System after the Sun reaches the end of its life in 5-6 billion years.

  7. Mar 23, 2022 · If the sun's distended atmosphere does reach our world, Earth will dissolve in less than a day. But even if the sun's expansion stops short, it won't be pretty for Earth.

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