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New @Planck results out today. Everybody get reading!! cosmos.esa.int/web/planck/pub… #cosmology #CMB #astrotastic
@Planck This paper gives a comparison between likelihoods for the data - generally in agreement although for some parameters there is a systematic difference of 0.5sigma between likelihoods on the same data. 
@Planck Which is also shown in this figure, comparing the ’15 results to the ’18 ones (the systematic likelihood shift is the worst for the baryon density, and therefore the shift between different releases).
Expanding the #HertzsprungRussell diagram courtesy of @xkcdComic
#Physics #Astronomy #Cosmology
Step 1: Take an HR Diagram
#Physics #Astronomy #Cosmology
Step 1: Take an HR Diagram
Expanding the #HertzsprungRussell diagram courtesy of @xkcdComic
#Physics #Astronomy #Cosmology
Step 2: Add a Scale
#Physics #Astronomy #Cosmology
Step 2: Add a Scale
Expanding the #HertzsprungRussell diagram courtesy of @xkcdComic
#Physics #Astronomy #Cosmology
Step 3: Expand the Diagram
#Physics #Astronomy #Cosmology
Step 3: Expand the Diagram
