Signals that baffled astronomers for 17 years traced to observatory's microwave oven

For 17 years, astronomers at a well-known Australian radio telescope known as "The Dish" had not been able to figure out the source of a strange, vexing interference. For 17 years, astronomers at a well-known Australian radio telescope known as "The Dish" had not been able to figure out the source of a strange, vexing interference. Simon Johnston, head of astrophysics at the CSIRO, the national science agency, told the Guardian that a couple of times a year signals known as perytons were detected "within five kilometers" of the Parkes Observatory in New South Wales.

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