Recently, astronomers have discovered a new variable star, RZ Piscium, that is located about 500 light-years away in the constellation of Pisces. What makes this star so unique is its compact nature and its extremely fast and unpredictable changes in brightness. The star can dim by up to three magnitudes in just a few hours, making it one of the most variable stars ever observed. In addition to its unpredictable brightness changes, RZ Piscium also has some unexpected properties. It is a binary star system, with two stars orbiting each other closely, and it is surrounded by a disk of material that is thought to be the remnants of a protoplanetary disk. This makes it the first example of a protoplanetary disk around a binary system. The researchers are hopeful that further study of RZ Piscium will provide new insights into the formation of binary stars and planetary systems.

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source: Phys.org