WEBVTT

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[ETHEREAL MUSIC PLAYING]

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Deep within the
constellation of Pegasus

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lies a tight grouping
of five galaxies.

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Called Stephan's Quintet, this
collection showcases different

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galaxy types ...

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and how they can interact
in dense environments.

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[ETHEREAL MUSIC PLAYING]

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Ground-based observations
show the galaxy arrangement,

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and the Hubble Space Telescope
captures the fine details.

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Using infrared light, the
Spitzer Space Telescope

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features cool gas and dust,
and the Webb Space Telescope

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unveils new depth
and resolution.

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[ETHEREAL MUSIC PLAYING]

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The Chandra X-ray observatory
reveals a high-energy component

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both in and between
the galaxies.

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In three dimensions,
this spiral galaxy

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is much closer than
the other galaxies.

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The visible light view shows
numerous pink star forming

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regions and blue young stars.

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The infrared view highlights
the cool gas and dust

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amid a diffuse collection
of older stars.

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[ETHEREAL MUSIC PLAYING]

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The more distant galaxies
are grouped together.

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[ETHEREAL MUSIC PLAYING]

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These elliptical galaxies are
dominated by older stars ...

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and have rounded shapes in both
infrared and visible light.

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[ETHEREAL MUSIC PLAYING]

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This barred spiral galaxy
has few star-forming regions

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and some irregular spiral arms.

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Its core contains an active
supermassive black hole.

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Energetic material
around the black hole

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blazes brightly in X-rays.

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More distant material
shines in infrared light.

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[ETHEREAL MUSIC PLAYING]

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A tidal tail provides
evidence of an interaction

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with this nearby galaxy.

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This small spiral
is part of the group

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and passed near the
larger barred spiral

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several hundred
million years ago.

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[ETHEREAL MUSIC PLAYING]

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This galaxy is undergoing
a high-speed collision

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as it crashes into
the group from behind.

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Its shape features
distorted spiral arms

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and stretched out tails with
considerable star formation.

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[ETHEREAL MUSIC PLAYING]

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This X-ray shocked
ridge marks where

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the galaxy is colliding with the
dense gas between the galaxies.

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[ETHEREAL MUSIC PLAYING]

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A bridge of material that
extends in front of the barred

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spiral galaxy can be
seen in X-rays ...

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[ETHEREAL MUSIC PLAYING]

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... as bright clouds
in infrared light ...

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[ETHEREAL MUSIC PLAYING]

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... and dark clouds
in visible light.

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[ETHEREAL MUSIC PLAYING]

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An encounter with the
distant elliptical

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may have stretched
out the spiral

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before its current
chaotic collision.

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[ETHEREAL MUSIC PLAYING]

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Stephan's Quintet shows
several types of galaxies,

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including some with stretched
and distorted shapes

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that highlight interactions
within the group.

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NASA's great
observatories provide

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multi-wavelength
observations that

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enable diverse insights into
this complex, compact group.

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