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What If You Were 1 Billion Light-Years Away From Earth?

Cortex Foundry

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What If You Were 1 Billion Light-Years Away From Earth?

298 просмотров · 7 дней назад
Cortex Foundry
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298 просмотров · 7 дней назад
What would Earth look like if you were 1 billion light-years away? You wouldn't see our planet as it exists today. You would see an ancient version of Earth, because light takes time to travel across the universe. From the 8-minute delay of sunlight to galaxies billions of years in the past, the universe is filled with delayed information. Every telescope is essentially looking into history. Albert Einstein's theory of relativity helped establish the importance of light's speed, while Edwin Hubble's observations transformed our understanding of galaxies and the expanding universe. In this video, you'll discover: • Why looking farther into space means looking further into the past • What Earth might look like from 1 billion light-years away • Why the Sun is already 8 minutes old when you see it • How telescopes like Hubble and James Webb observe ancient galaxies • Why the night sky is really a giant archive of cosmic history The deeper you look into space, the further back in time you see.