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Local Interstellar Cloud

Local Interstellar Cloud
Interstellar cloud
Diagram of surrounding stars and artist's conception of the Local Interstellar Cloud
Observation data
ConstellationNone, Solar System is inside the nebula[1]
Physical characteristics
Dimensions30 ly (9.2 pc)
DesignationsLocal Cloud, LIC
See also: Lists of nebulae
Map showing the Sun located near the edge of the Local Interstellar Cloud and Alpha Centauri about 4 light-years away in the neighboring G-Cloud complex

The Local Interstellar Cloud (LIC), also known as the Local Fluff, is an interstellar cloud roughly 30 light-years (9.2 pc) across, through which the Solar System is moving. This feature overlaps with a region around the Sun referred to as the solar neighborhood.[2] It is unknown whether the Sun is embedded in the Local Interstellar Cloud, or is in the region where the Local Interstellar Cloud is interacting with the neighboring G-Cloud.[3] Like the G-Cloud and others, the LIC is part of the Very Local Interstellar Medium which begins where the heliosphere and interplanetary medium end,[4] the furthest that probes have traveled.

  1. ^ "NAME LIC". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved March 15, 2014.
  2. ^ Gargaud, Muriel; et al., eds. (2011). "Solar Neighborhood". Encyclopedia of Astrobiology. pp. 1526–1527. doi:10.1007/978-3-642-11274-4_1460. ISBN 978-3-642-11271-3. Retrieved 2022-07-01.
  3. ^ Gilster, Paul (September 1, 2010). "Into the Interstellar Void". Centauri Dreams.
  4. ^ Linsky, Jeffrey (2020-03-23), "What lies immediately outside of the heliosphere in the very local interstellar medium (VLISM): morphology of the Local Interstellar Cloud, its hydrogen hole, Stromgren Shells, and 60Fe accretion", Egu General Assembly Conference Abstracts, Copernicus GmbH: 1410, Bibcode:2020EGUGA..22.1410L, doi:10.5194/egusphere-egu2020-1410, S2CID 226032795

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