Lifespan of Galapagos giant tortoise

Lifespan of Galapagos giant tortoise (190 y)

/fact/lifespan-of-galapagos-giant-tortoise

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Neat Ratios ...

Lifespan of Galapagos giant tortoise (190 y)

is 1/10 of Time since the peak of Roman Empire (1,900 y)...more
is 1/4 of Time since the birth of Marco Polo (770 y)...more
is 1/4 of Time since the birth of Dante Alighieri (759 y)...more
is 2/5 of Duration of Roman Republic (482 y)...more
is 2/5 of Time since the publication of Copernicus's sun-centred model of the solar system (481 y)...more
is 1/2 of Time since the birth of Newton (381 y)...more
is 1/2 of Duration of Mali Empire (375 y)...more
is 2.5 x Time since the invention of the transistor (76 y)...more
is 2.5 x Period of Halley's Comet's orbit (75.3 y)...more
is 4 x Time since Concorde Supersonic Airliner entered service (48 y)...more
is 4 x Time since first Apple ][ computer launched (47 y)...more
is 100 x Period of Mars's orbit (1.88 y)...more

If this was a standard unit ...