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06/10/2024 09:21:19 Asma Elmasri

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01/28/2025 09:34:53 admin administrator

 Astronomers estimate that the universe could contain up to one septillion stars – that’s a one followed by 24 zeros. Our Milky Way alone contains more than 100 billion, including our most well-studied star, the Sun.

Stars are giant balls of hot gas – mostly hydrogen, with some helium and small amounts of other elements. Every star has its own life cycle, ranging from a few million to trillions of years, and its properties change as it ages.

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06/10/2024 09:21:19 Asma Elmasri

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