Interstellar Objects: From Oumuamua to Borisov and the Growing Potential for Regular Detections

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Rob Weryk’s detection of Oumuamua and Gennadiy Borisov’s discovery of 2I/Borisov show that interstellar visitors can be either unusual rocky objects or icy comets, and as telescope technology improves we can expect many more such objects that will reveal new materials and dynamics beyond our solar system.

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Interstellar object | Astronomy and Astrophysics | Research Starters | EBSCO Research

pInterstellar objects are celestial bodies that originate outside our solar system and travel through it. The first confirmed interstellar object, &039;Oumuamua, was detected in October 2017 by astronomer Rob Weryk using the Pan-STARRS1 telescope in Hawaii. Unlike typical comets, &039;Oumuamua presented unique characteristics, such as a highly elongated, oblong shape and a lack of a cometary tail, which challenged existing astronomical theories. Its trajectory indicated it had traveled for an extensive period before encountering the solar system, likely coming from the direction of the star Vega./p