...should now be updated to show "standard siren" measurements with gravitational waves, going directly to 100 Mpc or so on the basis of fundamental physics alone! https://www.nature.com/articles/323310a0 … https://www.nature.com/nature/journal/v551/n7678/full/nature24471.html …
The cosmic distance ladder: visualizing the relationship between many of the methods we use to determine very large distances: https://en.wikipedia.org/wiki/Cosmic_distance_ladder …pic.twitter.com/RSufz0CJkg
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This was a great reminder of how much I take for granted when I hear something like “Galaxy X is Y light-years away.” I’d love to see analogs of this chart for microscopic distances and deep time as well!
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