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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
VIDEO ANNOTATIONS/CARDS
The Speed of Light is Infinite... Kind Of:
https://youtu.be/vPi1lyAx4ws
Most Galaxies are Moving Faster than Light!
https://youtu.be/9udKv1NXm7w
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OTHER SOURCES
https://people.ast.cam.ac.uk/~pettini/Intro%20Cosmology/
https://doi.org/10.1139/cjp-2019-0257
https://arxiv.org/abs/astro-ph/9905116
https://www.astro.umd.edu/~miller/teaching/astr422/lecture09.pdf
https://doi.org/10.1142/S0218271800000542
https://www.physics.unlv.edu/~jeffery/astro/cosmol/cosmos_distance_z_10000.html
LINKS TO COMMENTS
https://www.youtube.com/watch?v=ANDqwtAd1aY&lc=UgyejdtHE_MSFKSiW9N4AaABAg
https://www.youtube.com/watch?v=ANDqwtAd1aY&lc=UgwtJBLY5cwqtOY2iKJ4AaABAg
https://www.youtube.com/watch?v=ANDqwtAd1aY&lc=UgyAJqUUbFKeNSPZYDJ4AaABAg
IMAGE CREDITS
JWST Deep Field:
https://webbtelescope.org/contents/media/images/2022/035/01G7DDDR3P8ZW10HD8MKXGV8MJ
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
