WEBVTT FILE

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Hubble has helped confirm that the Milky Way will merge with which nearby galaxy?

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We now realize that our own Milky Way
has in the past

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merged with other galaxies and will be
merging with our neighbor

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spiral the Andromeda Galaxy in a few
billion years, Hubble has discerned that

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we're on a head-on collision
but it shouldn't be too disruptive to

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our solar system.

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"Visualization of Earth's night sky in 3.75 billion years, as Andromeda approaches and merges with the Milky Way."

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[ MUSIC ]

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What Hubble has revealed is that the
universe has in fact

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changed over these billions of years of
time

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the early galaxies, the very distant ones
as we see them,

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are simple, sometimes they're messy
looking, they're small,

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they haven't had time yet to form that
grand

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spiral structure.

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Over time we see galaxies actually
merging with other galaxies and growing

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bigger and bigger and those
mergers, by the way, can look like train

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wrecks in our Hubble images.
This is something that I'm grateful to

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the Hubble Space Telescope for opening
our eyes to.

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[ INSPIRING MUSIC ]