The Twin Quasar (also known as Twin QSO, Double Quasar, SBS 0957+561, TXS 0957+561, Q0957+561 or QSO 0957+561 A/B), was discovered in 1979 and was the...

A quasar (/ˈkweɪzɑːr/ KWAY-zar) is an extremely luminous active galactic nucleus (AGN). It is sometimes known as a quasi-stellar object, abbreviated QSO...

microlensing event in the Twin Quasar gravitational lensing system was observed in 1996, by R. E. Schild, in the "A" lobe of the lensed quasar. It is predicted...

of quasars. More than a million quasars have been observed, so any list on Wikipedia is necessarily a selection of them. Proper naming of quasars are...

gravitationally lensed quasar that sits directly behind the centre of the galaxy ZW 2237+030, called Huchra's Lens. Four images of the same distant quasar (plus one...

Quasar was the name of the first concept car produced by Peugeot. It was assembled in 1984 at the Peugeot plant in La Garenne, and first displayed at the...

Walsh, Bob Carswell, and Ray Weymann in 1979. They determined that the Twin Quasar Q0957+561A comprises two images of the same object. Most strong gravitational...

characteristics of quasars and the possibility of identifying identical events of some signal characteristic. Information from the Twin Quasars that Wheeler...

cluster Mayall II YGKOW G1, a giant elliptical galaxy that lensed the Twin Quasar G1 star, a subclass of G-class stars G1, a cloud that passed by Sagittarius...

of a sixfold multiply imaged quasar. Twin Quasar Einstein Cross Barkhouse, Wayne A.; Hall, Patrick B. (May 2001). "Quasars in the 2MASS Second Incremental...