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NGC 3079 is a nice nearly-edge-on spiral galaxy in the constellation of Ursa Major. It has the very unusual feature that some material near the center is being ejected upward (in the direction perpendicular to the plane of the galaxy); this is why the center of the galaxy appears to have a "mist" rising up from it. Below the right edge of NGC 3079 is small spiral PGC 28990 while near the bottom of the image is somewhat larger elliptical galaxy NGC 3073.
The other very interesting object in this image, that looks like a pair of stars, is found inside the dim red circle that's been drawn around it near the right edge of the image and somewhat below center. This is QSO 0957+561, popularly known as The Twin Quasar. It is actually a single quasar that appears as two images due to gravitational lensing by a massive galaxy (known as YGKOW G1) that's located nearly in the line of sight between the Earth and the quasar. Einstein predicted the phenomenon of gravitational lensing in 1936 (based on general relativity) but this first known example of gravitational lensing was not discovered until 1979.