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Additional
Galactic halo
English Wikipedia - The Free Encyclopedia
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Galactic halo
The
galactic halo
is an extended, roughly spherical component of a
galaxy
which extends beyond the main, visible component. Several distinct components of galaxies comprise the halo:
the
galactic spheroid
(
stars
)
the
galactic corona
(hot
gas
, i.e. a
plasma
)
the
dark matter halo
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