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At about 9.6 billion light years, our intuition about angular diameter breaks down. Galaxies start getting larger the more distant they are. Let's find out why.
Nick Lucid - Host/Writer/Editor/Animator
Natalie Wells - Researcher
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VIDEO ANNOTATIONS/CARDS
The Speed of Light is Infinite... Kind Of:
• The Speed of Light is ...
Most Galaxies are Moving Faster than Light!
• Most Galaxies are Movi...
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OTHER SOURCES
people.ast.cam.ac.uk/~pettini...
doi.org/10.1139/cjp-2019-0257
arxiv.org/abs/astro-ph/9905116
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LINKS TO COMMENTS
• Quantum Teleportation ...
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IMAGE CREDITS
JWST Deep Field:
webbtelescope.org/contents/me...
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TIME CODES
00:00 Cold Open
00:28 What is Angular Diameter?
01:56 Angular Diameter Turnaround
02:52 Finite Speed of Light
04:07 Time is a Major Factor
06:02 Space is Expanding
07:48 Cosmic Light Cone
08:21 Summary
09:09 Sponsor Message
10:07 Outro
10:26 Featured Comment