Hanyar da ta dace ta tauraron, parallax, an ƙayyade ta hanyar ƙayyadaddun matakan astrometric a cikin raka'a na mili-arc seconds (mas) a kowace shekara. Tare da sanin tauraron tauraron da kuma nisa, za a iya ƙididdige saurin motsi mai kyau. Tare da saurin radial, za a iya ƙididdige saurin gudu. Taurari tare da manyan ƙayyadaddun motsi na gaskiya suna iya kasancewa kusa da Sun, suna sa su zama 'yan takara masu kyau don auna parallax. Lokacin da aka san duka ƙayyadaddun motsi, za a iya ƙididdige saurin sararin tauraron dangane da Sun ko galaxy. Daga cikin taurari masu kusa, an gano cewa taurari matasa na I suna da ƙananan ƙarancin taurari fiye da tsofaffi taurari, II. Tambaya A: Ta yaya za ku iya kwatanta taurari da taurari a cikin tauraron taurari da kuma taurari masu kusa da taurari a matsayin taurari masu kusanci? Tambaya A: Ta yaya za ku iya kwatanta taurari masu kusanci da taurari masu kusanci a matsayin taurari masu kusanci
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