interstellar object detected passing through the Solar System. Formally designated 1I/2017 U1, it was discovered by Robert Weryk using the Pan-STARRS telescope
after billions of years. Exocomets beyond the Solar System have been detected and may be common in the Milky Way. The first exocomet system detected was around
a star, such as certain asteroids and comets (including exoasteroids exocomets). In the latter case, the object may be called an interstellar interloper
enigmatic find". Phys.org. Retrieved 23 December 2017. Ćuk, Matija (2017). "1I/ʻOumuamua as a Tidal Disruption Fragment From a Binary Star System". The Astrophysical