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Ian Yorston @IanYorston
, 14 tweets, 18 min read Read on Twitter
Expanding the #HertzsprungRussell diagram courtesy of @xkcdComic

#Physics #Astronomy #Cosmology

Step 1: Take an HR Diagram
Expanding the #HertzsprungRussell diagram courtesy of @xkcdComic

#Physics #Astronomy #Cosmology

Step 2: Add a Scale
Expanding the #HertzsprungRussell diagram courtesy of @xkcdComic

#Physics #Astronomy #Cosmology

Step 3: Expand the Diagram
Expanding the #HertzsprungRussell diagram courtesy of @xkcdComic

#Physics #Astronomy #Cosmology

Step 4: Add on “Blue Whale”
And I can also recommend the thread from @SciByDegrees that started me down this road

A thread which kicks-off a debate about Desert Island Graphs and the merits (various) of the BEPN Diagram

Which in turn led to me learning about the TriLinear Chart of the #Nuclides

#Physics #Particles…
And this excellent explanation of how the #HertzsprungRussell diagram originated

HT @A_Weatherall

And this on the Valley of Stability

#Physics #Particles #Nuclides

Again, HT @A_Weatherall

And this slide deck for Teaching the #HertzsprungRussell diagram

HT @BernardRand…
Let’s see if we can build a lesson plan out of this thread - using the Unroll instruction on @threadreaderapp

#Physics #Cosmology #Stars #Astronomy #HertzsprungRussell #Particles #Nuclides

with thanks to @A_Weatherall @SciByDegrees @BernardRand @emc2andallthat @andrewcnorman
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