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Distance from Earth: 2.44 billion light-years, Year of Discovery: 1963, Characteristics: First quasar ever identified; has a large jet visible in radio and optical wavelengths.

Distance from Earth: 12.9 billion light-years, Year of Discovery: 2011, Characteristics: One of the earliest known quasars, giving a glimpse into the early universe.

Distance from Earth: 12.8 billion light-years, Year of Discovery: 2003, Characteristics: Known for containing one of the earliest known black holes forming just 800 million years after the Big Bang.

Distance from Earth: 13.1 billion light-years, Year of Discovery: 2017, Characteristics: Currently one of the oldest and most distant quasars known.

Distance from Earth: 5 billion light-years, Year of Discovery: 1970s, Characteristics: One of the first quasars where superluminal motion in its jet was observed.

Distance from Earth: 4 billion light-years, Year of Discovery: 1960, Characteristics: Was first identified as a possible radio source with an optical counterpart, and later recognized as a quasar.

Distance from Earth: 54 million light-years, Year of Discovery: 1918, Characteristics: Also known as M87, hosts a supermassive black hole and has a visible jet.

Distance from Earth: 10.4 billion light-years, Year of Discovery: 1970s, Characteristics: One of the largest supermassive black holes known.

Distance from Earth: 5.995 billion light-years, Year of Discovery: 1960s, Characteristics: Known for its high redshift and being one of the most distant quasars known at the time of its discovery.

Distance from Earth: 7.4 billion light-years, Year of Discovery: 1973, Characteristics: Known for its extremely high redshift which made it one of the most distant known astronomical objects at the time of its discovery.

Distance from Earth: 3 billion light-years, Year of Discovery: 1991, Characteristics: Notable for its broad absorption lines, making it a key object for studying quasar winds.

Distance from Earth: 11.38 billion light-years, Year of Discovery: 2001, Characteristics: A high-redshift quasar that has been used to study the intergalactic medium and early universe structure.

Distance from Earth: 7.2 billion light-years, Year of Discovery: Named during the B3-VLA Quasar Survey, Characteristics: Identified as a gravitationally lensed quasar, providing important data on dark matter distribution.

Distance from Earth: 1.7 billion light-years, Year of Discovery: 1983 as part of a quasar survey, Characteristics: Its optical variability and broad emission lines have made it a key target for studying quasar spectra.