最終更新日：2025/11/26
(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
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正解を見る
white nebula
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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 ）
