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  • All About Space

    HOW DO WE CALCULATE THE HUBBLE CONSTANT?

    Sep 10, 2020 2 minutes

    1 Parallax

    arallax is an ancient method for measuring the distance to relatively nearby stars up to approximately 65 light years away using Earth-based measurements – or 326 light years if having used the ESA’s Hipparcos mission. This method uses trigonometry to measure the displacement of a star’s

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