My short story "Hoag's Object" was recently published in Cafe Irreal:

What happens when two galaxies collide? One destroys the other and it is not a pretty sight. Usually the vanquished galaxy is annihilated. Sometimes it is transformed into a galaxy of unusual shape--a donkey, a bird, a goat--and then flung far from its intended path. But the most interesting collision is not even a collision. It occurs when one galaxy passes close to a second and is ripped apart by gravitational forces. The remains of the first galaxy are then captured by the second and form a ring around it. The resulting structure is called a ring galaxy. They are rare cosmological entities, only a half-dozen are known to exist.

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