Zákony a predpisy podvodník panské sídlo parallax to light years calculator buď ticho nevidím štrbina
How would I find the distance of a star in parsecs and light years if parallax is known? For example, Sirius, the brightest star in the sky, has a parallax of 0.379
Parallax - Wikipedia
Properties of Stars
How astronomers measure distance to stars using parallax - Reference Frame