Interstellar interlopers are bodies formed outside of the Solar System but observed passing
through it. The first two identified interlopers, 1I/'Oumuamua and 2I/Borisov, exhibited …

Over the past three decades, we have witnessed one of the great revolutions in our
understanding of the cosmos—the dawn of the Exoplanet Era. Where once we knew of just …

We present initial observations of the interstellar body 2I/(2019 Q4) Borisov taken to
determine its nature prior to the perihelion in 2019 December. Images from the Nordic …

Abstract 1I/'Oumuamua is the first confirmed interstellar body in our solar system. Here we
report on observations of'Oumuamua made with the Spitzer Space Telescope on 2017 …

The earliest confirmed interstellar object,'Oumuamua, was discovered in the solar system by
Pan-STARRS in 2017, allowing for a calibration of the abundance of interstellar objects of its …

During the formation and evolution of the Solar System, significant numbers of cometary and
asteroidal bodies were ejected into interstellar space,. It is reasonable to expect that the …

A rapid accumulation of observations and interpretation has followed in the wake of
1I'Oumuamua's passage through the inner solar system. We briefly outline the …

The discovery of the first interstellar object passing through the Solar System, 1I/2017 U1
('Oumuamua), provoked intense and continuing interest from the scientific community and …

APO Time-resolved Color Photometry of Highly Elongated Interstellar Object 1I/'Oumuamua -
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The recently discovered population of interstellar objects presents us with the opportunity to
characterize material from extrasolar planetary and stellar systems up close. The …