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protostar
[天] 原恒星
常用释义
词性释义
n.
[天] 原恒星
例句
全部
The
conditions
in a
protostar
resemble
far
more
closely in
situation
in
red
giants
,
most
of whose
volume
is
caught
up in
stormy
convection
.
原恒星的条件更加类似于红巨星的情形,红巨星体积的大部分都卷入剧烈的对流中。
It was
compressed
enough
to become a
protostar
but
enough
material
was
left
over to
form
planets
,
moons
,
asteroids
and
comets
.
压力足够使之形成一颗恒星,剩下的物质形成了行星,卫星,小行星和彗星。
The
embryo
inside
the
protostar
is
less
massive
than
the
envelope
;
most
of the
mass
is
still
falling
inward
.
原恒星内部的胚胎的质量比包壳小,大部分物质一直在朝中心落去。
Models
of
protostar
also
show
that
they
will
have
原恒星的理论模型显示它们会有