The Natural History of ‘Oumuamua

Oumuamua ISSI Team; Colin Snodgrass

doi:10.1038/s41550-019-0816-x

The Natural History of ‘Oumuamua

Oumuamua ISSI Team, Colin Snodgrass

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

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 the general public. The faintness of ‘Oumuamua,
together with the limited time window within which observations were possible, constrained the information available on its dynamics and physical state. Here we review our knowledge and find that in all cases the observations are
consistent with a purely natural origin for ‘Oumuamua. We discuss how the observed characteristics of ‘Oumuamua are explained by our extensive knowledge of natural minor bodies in our Solar System and our current knowledge of the evolution of planetary systems. We highlight several areas requiring further investigation.

Original language	English
Journal	Nature Astronomy
DOIs	https://doi.org/10.1038/s41550-019-0816-x
Publication status	Published - 1 Jul 2019

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Comet science: Rosetta and beyond
Snodgrass, C. (Principal Investigator)
STFC
1/10/18 → 30/09/19
Project: Research

Cite this

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abstract = "The discovery of the first interstellar object passing through the Solar System, 1I/2017 U1 ({\textquoteleft}Oumuamua), provoked intense and continuing interest from the scientific community and the general public. The faintness of {\textquoteleft}Oumuamua,together with the limited time window within which observations were possible, constrained the information available on its dynamics and physical state. Here we review our knowledge and find that in all cases the observations areconsistent with a purely natural origin for {\textquoteleft}Oumuamua. We discuss how the observed characteristics of {\textquoteleft}Oumuamua are explained by our extensive knowledge of natural minor bodies in our Solar System and our current knowledge of the evolution of planetary systems. We highlight several areas requiring further investigation.",

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The Natural History of ‘Oumuamua

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Comet science: Rosetta and beyond

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