Last Updated
：2025/11/21
dark energy
Noun
uncountable
(astronomy,
astrophysics)
A
hypothetical
form
of
energy
which,
it
is
supposed,
is
spread
uniformly
throughout
space
(and
time)
and
has
anti-gravitational
properties:
it
represents
a
possible
mechanism
for
the
cosmological
constant,
and
thus
is
one
of
the
possible
explanations
for
the
current
accelerating
rate
of
expansion
of
the
universe;
and
it
is
estimated
to
account
for
about
74%
of
the
mass-energy
of
the
universe.
Japanese Meaning
宇宙空間全体に均一に広がっていると考えられ、反重力的性質を持つ仮説上のエネルギー。宇宙定数のメカニズムの一つとして、現在の宇宙の加速膨張の説明に寄与し、宇宙の質量エネルギーの大部分を占める可能性がある。
Sense（1）
(astronomy,
astrophysics)
A
hypothetical
form
of
energy
which,
it
is
supposed,
is
spread
uniformly
throughout
space
(and
time)
and
has
anti-gravitational
properties:
it
represents
a
possible
mechanism
for
the
cosmological
constant,
and
thus
is
one
of
the
possible
explanations
for
the
current
accelerating
rate
of
expansion
of
the
universe;
and
it
is
estimated
to
account
for
about
74%
of
the
mass-energy
of
the
universe.
Quizzes for review
(astronomy, astrophysics) A hypothetical form of energy which, it is supposed, is spread uniformly throughout space (and time) and has anti-gravitational properties: it represents a possible mechanism for the cosmological constant, and thus is one of the possible explanations for the current accelerating rate of expansion of the universe; and it is estimated to account for about 74% of the mass-energy of the universe.
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See correct answer
dark energy
Many cosmologists now consider dark energy the most plausible explanation for the universe's accelerating expansion.
See correct answer
Many cosmologists now consider dark energy the most plausible explanation for the universe's accelerating expansion.
音声機能が動作しない場合はこちらをご確認ください
English - English
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