(CNN) - Earthlings got a look at the first observed object from outside our solar system.
It was spotted last month by the "Pan-STARRS 1" telescope in Hawaii.
The International Astronomical Union is calling it an "interstellar asteroid," the first of its kind.
Astronomers said the object could carry secrets on how other solar systems have formed, but are extremely difficult to spot.
Experts said between one and 10 of those visitors drop by our solar system annually, but they move so fast, it's extremely difficult to see or study them.
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