Last Updated
：2025/12/02
failed supernova
Noun
(astronomy)
An
event
that
ends
the
fusion
lifetime
of
a
large
and
massive
star.
It
is
a
partial
type-II
supernova,
where
the
collapse
process
occurs,
but
no
significant
rebound
occurs,
and
the
nascent
black
hole
swallows
the
incoming
implosion
resulting
in
no
outbound
explosion
or
subsequent
light
burst.
Japanese Meaning
大量かつ巨大な星の核融合によるエネルギー生成が終了する現象。部分的なII型超新星として分類され、星の崩壊が始まるものの、十分な反発が起こらず、新生ブラックホールが内側からの崩壊物質を飲み込むため、外向きの爆発や光の放射が観測されない現象
Sense（1）
(astronomy)
An
event
that
ends
the
fusion
lifetime
of
a
large
and
massive
star.
It
is
a
partial
type-II
supernova,
where
the
collapse
process
occurs,
but
no
significant
rebound
occurs,
and
the
nascent
black
hole
swallows
the
incoming
implosion
resulting
in
no
outbound
explosion
or
subsequent
light
burst.
（ plural ）
（ plural ）
Quizzes for review
(astronomy) An event that ends the fusion lifetime of a large and massive star. It is a partial type-II supernova, where the collapse process occurs, but no significant rebound occurs, and the nascent black hole swallows the incoming implosion resulting in no outbound explosion or subsequent light burst.
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failed supernova
Astronomers detected a dying red supergiant that vanished without an explosion, confirming it had undergone a failed supernova.
See correct answer
Astronomers detected a dying red supergiant that vanished without an explosion, confirming it had undergone a failed supernova.
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