Last Updated：2025/12/30
Sentence
Kirchoff
and
others
went
on
to
identify
a
score
of
other
terrestrial
elements
in
the
sun,
and
now
the
Fraunhofer
mystery
—
the
hundreds
of
black
lines
in
the
solar
spectrum
—
could
be
understood
as
the
absorption
spectra
of
these
elements
to
the
outermost
layers
of
the
sun,
as
they
were
transilluminated
from
within.
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Kirchoff and others went on to identify a score of other terrestrial elements in the sun, and now the Fraunhofer mystery — the hundreds of black lines in the solar spectrum — could be understood as the absorption spectra of these elements to the outermost layers of the sun, as they were transilluminated from within.
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