Sirius is the brightest star in the sky and visible from most of the planet. We've been staring at it for 1000s of years, but the more we learn about it, the weirder it gets.

Watch this video adfree on Nebula:
https://nebula.tv/videos/scienceasylu...

Nick Lucid Host, Writer, Editor, Animator
Em Lucid Producer

Huge thanks to 12Tone and Simon Clark for lending their voices:
   / @12tone  
   / @simonclark  
________________________________
VIDEO ANNOTATIONS/CARDS

Friedmann Equations:
   • Physics predicts all of Cosmic Time. ...  
________________________________
SUPPORT THE SCIENCE ASYLUM

Patreon:
  / scienceasylum  

SignUp for Nebula:
https://go.nebula.tv/scienceasylum

YouTube Membership:
   / @scienceasylum  

Advanced Theoretical Physics (Paperback):
https://www.scienceasylum.com/paperback

Advanced Theoretical Physics (eBook):
https://www.scienceasylum.com/ebook

Merchandise:
https://www.scienceasylum.com/store
________________________________
HUGE THANK YOU TO THESE SUPPORTERS

Asylum Counselors:
Joe K. Kim

Asylum Orderlies:
Chloë Joan López, Dhruv Singhal, James Smith, Joel Wolhendler, Medec Hurtz, Peter Engrav

Einsteinium Crazies:
Benjamin Sharef, Dan Sullivan, Eoin O'Sullivan, Jonathan Lima, Joseph Salomone, Kevin Flanagan, Matias Cveczilberg, Sheila Owen, William Hutchison

Plutonium Crazies:
Al Davis, Compuart, Ellis Hall, Kevin MacLean, Rex_zane, Rick Myers, Vasile Coman, Vid Icarus

Platinum Crazies:
Cesar Moya, Christopher Bennett, Clayton Bruckert, David Johnston, Fabio Manzini, Ishay Oz, Jonathan Reel, Joshua Gallagher, LiCe Hu, Marino Hernandez, Mikayla Eckel Cifrese, Mr. Orn Jonasar, P. Patrick Tukkers, Qin Li, Ulrich, Zachary Milne
________________________________
SOURCES

Generic History:
https://www.amnh.org/learnteach/curr...
http://vega.lpl.arizona.edu/sirius/A5...
https://adsabs.harvard.edu/full/2007J...

Bessel's Original Publication:
https://adsabs.harvard.edu/pdf/1844MN...

Lewis Boss Data:
https://lccn.loc.gov/10009645

Walter Adams Publications:
https://adsabs.harvard.edu/full/1911A...
https://iopscience.iop.org/article/10...
https://iopscience.iop.org/article/10...
https://iopscience.iop.org/article/10...

Eddington Quote:
https://archive.org/details/in.ernet....

Naming Conventions:
https://www.iau.org/public/themes/nam...

Planetary Nebula Info:
https://www.astronomy.com/science/sir...

Modern Sirius Specs:
https://arxiv.org/abs/1703.10625

Current Mystery:
https://www.syfy.com/syfywire/whyso...
________________________________
LINKS TO COMMENTS

   • Physics predicts all of Cosmic Time. ...  
________________________________
IMAGE/VIDEO CREDITS

Hubble Image of Sirius:
https://esahubble.org/images/heic0516a/

Sirius Dog Art:
https://commons.wikimedia.org/wiki/Fi...

Contact Binary:
https://www.eso.org/public/videos/eso...

Ring Nebula:
https://www.nasa.gov/feature/goddard/...

Koenigsberg Observatory:
https://commons.wikimedia.org/wiki/Fi...

Portraits:
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://repository.aip.org/islandora/...
________________________________
TIME CODES

00:00 Intro
00:41 Friedrich Bessel postulates Sirius B
02:41 Declination and Right Ascension
03:11 Alvan Clark discovers Sirius B
04:15 The Hunt for More Data
04:57 HR Diagrams
07:07 StefanBoltzmann Law
07:33 Insane Density of White Dwarfs
08:37 White Dwarfs and Planetary Nebulas
10:08 Sirius in the Distant Past
10:49 Closing Thoughts
11:11 Featured Comment
________________________________
Corrections:

07:14 While what I'm saying here is correct, the equation isn't using traditional symbols. It would have been better to have written the equation as L ∝ A T⁴, but oh well.