← Back to context Comment by owisd 2 years ago According to the article the 1/4e10 circumference definition came second 2 comments owisd Reply rich_sasha 2 years ago Wikipedia says the Earth circumference definition comes from around Copernican times.Also my reading of TFA is that the pendulum definition was in fact a redefinition that didn't catch on. Ekaros 2 years ago I wonder how many numbers they checked until they arrived on this one. As to me it seems picked as something close enough for committee work.
rich_sasha 2 years ago Wikipedia says the Earth circumference definition comes from around Copernican times.Also my reading of TFA is that the pendulum definition was in fact a redefinition that didn't catch on.
Ekaros 2 years ago I wonder how many numbers they checked until they arrived on this one. As to me it seems picked as something close enough for committee work.
Wikipedia says the Earth circumference definition comes from around Copernican times.
Also my reading of TFA is that the pendulum definition was in fact a redefinition that didn't catch on.
I wonder how many numbers they checked until they arrived on this one. As to me it seems picked as something close enough for committee work.