The Milky Way galaxy is so vast that light takes approximately 100,000 years to cross it, and even with today's fastest spacecraft, escaping the galaxy would take millions of years, meaning Earth would be ancient history by the time humans could reach the edge.
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Can You Escape The Milky Way? 🌌追加:
You're inside a prison so large that light itself [music] needs 100,000 years to cross it.
It's called [music] the Milky Way galaxy.
Could humans ever escape?
Even if we traveled at the speed of today's fastest [music] spacecraft, leaving the Milky Way would take millions of years.
And beyond our galaxy, there are billions more stretching into the darkness.
So, technically, >> [music] >> yes, you could leave the Milky Way.
But by the time you got out, Earth would be ancient history.
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