1400 years ago people knew the brightest star in the night sky, Sirius, however nobody knew the distance to this star. Sirius is mentioned in the Quran by name in chapter "The Star".
Getting distance to Sirius from Google.
8.61 light-years is equivalent to 861 centi light-years. So distance to Sirius is 861 centi light-years. It turned out that between the word "Star" in the first verse and the word "Earth" in verse 32 there are 861 letters.
286099 - 285238 = 861
The word "Star" and word "Earth" are separated by 861 letters. Today we know that Sirius is 861 centi light-years away from Earth.
The radius of Sirius is 1.711 times the radius of the sun.
Sirius A, the visible star of the binary, has a radius of 1.711 R☉. This is 1.711 times the radius of the sun. This ratio "1.711" turned-out to be the same ratio of chapter "the sun" / chapter "The star" = 91/53 = 1.71698113208
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