Space Daily August 30, 2026 • 00:30

If the Sun vanished right now, Earth would go dark eight minutes later — but if its sound could cross space at the speed it travels through air, the Sun’s final roar would continue reaching us for nearly 14 years, because light travels 874,000 times faster. - Space Daily

Across one astronomical unit, light takes about 499 seconds. A hypothetical sound wave moving through 20°C air would need 13.82 years, though real space cannot carry it.

If the Sun could disappear in a physically impossible instant, Earth would not notice at once. The last sunlight already in flight would keep arriving. Only after those final photons crossed the Sun-… [+8860 chars]

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If the Sun vanished right now, Earth would go dark eight minutes later — but if its sound could cross space at the speed it travels through air, the Sun’s final roar would continue reaching us for nearly 14 years, because light travels 874,000 times faster. - Space Daily

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