Natural Laws are Universal

...the order of the Universe is not an assumption; it's an observed fact. We detect the light from distant quasars only because the laws of electromagnetism are the same ten billion light years away as here. The spectra of those quasars are recognizable only because the same chemical elements are present there as here, and because the same laws of quantum mechanics apply. The motion of galaxies around one another follows familiar Newtonian gravity. Gravitational lenses and binary pulsar spin-downs reveal general relativity in the depths of space. We could have lived in a Universe with different laws in every province, but we do not. This fact cannot but elicit feelings of reverence and awe.

We might have lived in a Universe in which nothing could be understood by a few simple laws, in which Nature was complex beyond our abilities to understand, in which laws that apply on Earth are invalid on Mars, or in a distant quasar. But the evidence - not the preconceptions, the evidence - proves otherwise. Luckily for us, we live in a Universe in which much can be 'reduced' to a small number of comparatively simple laws of Nature. Otherwise we might have lacked the intellectual capacity and grasp to comprehend the world.


The laws of nature are comprehensible and the same across the Universe.

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 The Demon-Haunted World: Science as a Candle in the Dark
Books, Brochures, and Chapters>Book:  Sagan , Carl and Druyan , Ann (1997-02-25), The Demon-Haunted World: Science as a Candle in the Dark, Ballantine Books, Retrieved on 2011-05-04
Folksonomies: science empiricism rationalism