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Why will our Sun expel its outer layers as it dies?

Summary by Astronomy.com
Why will our Sun expel its outer layers as it dies? Daniel StanyerAugusta, Kansas First, let’s discriminate between expansion and expulsion. Expansion happens because the thermal pressure from the increased energy production in the Sun’s interior exceeds the gravitational force keeping the Sun’s matter close to its core. The Sun will expand until a newContinue reading "Why will our Sun expel its outer layers as it dies? " The post Why will our S…

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Astronomy.com broke the news in United States on Monday, July 14, 2025.
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