Alien hunters have been training their telescopes on the mysterious KIC 8462852 star system for more than than two weeks, and so far it looks like extraterrestrials aren't home.

Last month, astronomers discovered a star roughly 1,500 light years from Earth that had a strange dimming pattern. It suggested that KIC 8462852 was surrounded by dense, irregular matter that, at one point, blocked 22 percent of the star's light — unusual as even a large Jupiter-like planet would only block 1 percent.

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