stellar novae
Tachycineta thalassina, a small North American passerine bird of the swallow family.
plural of stellar nova
present participle of permapress
(obsolete) A flatterer; a deceiver; a cozener.
天文学者たちは先月、いくつかの恒星の新星を観測し、それらは劇的に明るくなった後に暗くなった。
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