元となった辞書の項目
white nebula
名詞
廃用
(astronomy,
obsolete)
a
nebula
that
appears
white
in
colouration
through
a
high-powered
telescope
(nebulae
often
appear
to
have
some
hint
of
colour
through
a
powerful
telescope,
but
white
when
not
using
a
powerful
instrument);
these
nebulae
were
generally
to
be
determined
to
be
galaxies
in
the
20th
century
日本語の意味
（天文学、古い用語）高倍率望遠鏡で観測した際、白色に見える星雲。なお、これらの星雲は、20世紀においては銀河であると判断されることが多かった。
意味（1）
(astronomy,
obsolete)
a
nebula
that
appears
white
in
colouration
through
a
high-powered
telescope
(nebulae
often
appear
to
have
some
hint
of
colour
through
a
powerful
telescope,
but
white
when
not
using
a
powerful
instrument);
these
nebulae
were
generally
to
be
determined
to
be
galaxies
in
the
20th
century
（ plural ）
