An object's distance from Earth can be determinded using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc).
اطلع عليه بتاريخ 02 سبتمبر 2016.  An object's distance from Earth can be determinded using قانون هابل: v=Ho is Hubble's constant (70±5 (km/s)/Mpc).