検索結果- 英語 - 英語
検索内容:
Planck relic
noun
(physics,
cosmology,
astronomy,
astrophysics,
quantum
mechanics,
relativity
theory)
A
spacetime
singularity
with
an
event
horizon
on
the
order
of
a
Planck
length
(~
10⁻³⁵
metres),
and
a
mass
on
the
order
of
a
Planck
mass
(~
20
micrograms),
whose
only
possible
decay
route
is
emitting
a
single
photon
of
Hawking
radiation
of
that
rest
mass
as
energy,
but
thus
disallowed
by
quantum
physics
transition
prohibition,
which
becomes
stable
and
everlasting
if
it
does
not
absorb
anything.
