Assertion: star's distance | /r/HasProperty | about 0.437 light years
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Source sentences:
text: In his 1698 book, Cosmotheoros, Christiaan Huygens estimated the distance to Sirius at 27664 times the distance from the Earth to the Sun (about 0.437 light years, translating to a parallax of roughly 7.5 arcseconds).