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\nHubble Uncovers Concentration of Small Black Holes\n

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\n\nPublisher:\n\nNASA\n\n\n
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\nAstronomers on the hunt for an intermediate-mass black hole at the heart of the globular cluster NGC 6397, found something they weren’t expecting: a concentration of smaller black holes lurking there instead of one massive black...\nAstronomers on the hunt for an intermediate-mass black hole at the heart of the globular cluster NGC 6397, found something they weren’t expecting: a concentration of smaller black holes lurking there instead of one massive black hole.

Video credit: NASA's Goddard Space Flight Center
Paul Morris: Lead Producer

Music:
\"Glass Ships\" by Chris Constantinou [PRS] and Paul Frazer [PRS] via Killer Tracks [BMI] and Universal Production Music.

Visual Credits:
Artist’s Impression of the Black Hole Concentration in NGC 6397
Video credit: ESA/Hubble, N. Bartmann

Callout of the Black Hole Concentration in NGC 6397
Video credit: ESA/Hubble, N. Bartmann

Artist Rendition of Gaia Spacecraft
Image credit: ESA, C. Carreau



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At the core of the dense globular star cluster NGC 6397 lies an unexpected stellar graveyard.
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Globular clusters are spherical groups of stars tightly bound by gravity.
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These intermediate-mass black holes are the long-sought missing link in black hole evolution.
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but larger than stellar-mass black holes formed by the collapse of massive stars.
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Scientists hoped to find an intermediate-mass black hole at the heart of this globular cluster...
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but instead, they found stellar-mass black holes lurking there, the remains of collapsed stars.
1:20














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2:42
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3rd - 11th
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\nNASA Goddard\n\n
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Date
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2021
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English
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For Teacher Use
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