ʻOumuamua

ʻOumuamua (Hawaiian: first messenger arriving from afar)^[1] is an object from another star system that visited our solar system. Its official name is 1I/2017 U1.

ʻOumuamua is the first interstellar object that we know has passed through our solar system.^[2] Oumuamua was first discovered on 19 October 2017 using the Pan-STARRS1 telescope at the Haleakala Observatory in Hawaii.^[3]

Its appearance is long and narrow, and it had a dark red color, similar to objects in the outer Solar System.

References

↑ Gareth V. Williams (November 6, 2017). "MPEC 2017-V17: New Designation Scheme for Interstellar Objects". minorplanetcenter.net.
↑ Karen Northon (June 27, 2018). "Our Solar System's first known interstellar object gets unexpected speed boost". nasa.gov.
↑ Karen J. Meech; et al. (November 1, 2017). "Discovery and characterization of the first known interstellar object" (PDF). Nature.

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[1] Gareth V. Williams (November 6, 2017). "MPEC 2017-V17: New Designation Scheme for Interstellar Objects". minorplanetcenter.net.

[2] Karen Northon (June 27, 2018). "Our Solar System's first known interstellar object gets unexpected speed boost". nasa.gov.

[3] Karen J. Meech; et al. (November 1, 2017). "Discovery and characterization of the first known interstellar object" (PDF). Nature.

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