PKS 2000-330 (also known as QSO B2000-330) is a quasar[1] located in the constellation Sagittarius.

When identified in 1982, it was the most distant and most luminous object known.

[3] The "distance" of a far away galaxy depends on the distance measurement used.

With a redshift of 3.77,[2] light from this active galaxy is estimated to have taken around 11.7 billion years to reach us.

[2] But since this galaxy is receding from Earth at an estimated rate of 274,681 km/s[1] (the speed of light is 299,792 km/s), the present (co-moving) distance to this galaxy is estimated to be around 22.7 billion light-years (6947 Mpc).