Last Updated：2025/12/31
Sentence
An
international
group
of
researchers
has
developed
a
new
way
to
measure
accurately
the
extragalactic
background
light
(EBL)
that
fills
the
universe.
The
technique
involves
measuring
the
attenuation
of
high-energy
gamma
rays
from
distant
blazars
and
it
could
improve
our
understanding
of
how
galaxies
form
and
evolve,
as
well
as
how
the
universe
has
expanded
since
the
Big
Bang
Quizzes for review
An international group of researchers has developed a new way to measure accurately the extragalactic background light (EBL) that fills the universe. The technique involves measuring the attenuation of high-energy gamma rays from distant blazars and it could improve our understanding of how galaxies form and evolve, as well as how the universe has expanded since the Big Bang
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