Last Updated：2025/12/31
Sentence
The
importance
of
detecting
Cosmic
Neutrino
Background
is
that,
although
detailed
studies
of
Big
Bang
Nucleosynthesis
and
Cosmic
Microwave
Background
give
information
of
the
early
Universe
at
~a
few
minutes
old
and
~300
k
years
old,
respectively,
observation
of
Cosmic
Neutrino
Background
allows
us
to
study
the
early
Universe
at
~1
s
old.
Quizzes for review
The importance of detecting Cosmic Neutrino Background is that, although detailed studies of Big Bang Nucleosynthesis and Cosmic Microwave Background give information of the early Universe at ~a few minutes old and ~300 k years old, respectively, observation of Cosmic Neutrino Background allows us to study the early Universe at ~1 s old.
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