recurrent nova
(astronomy) A type of nova in which the sudden brightening and gradual diminishing is repeated (for any of several reasons)
Of or pertaining to a nundine
A text or photographic image that has been reduced in size to that of a typographical dot in order to escape detection by unintended recipients.
Not carrying out research.
遠くの銀河で見つかった再発性新星が数十年ぶりに再び明るくなり、天文学者たちを驚かせた。
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