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Synonym of 宇宙人 (uchūjin, “alien”) (life form of non-Earth origin)
Please imagine the day when aliens come to Earth.
(astronomy) white dwarf
A white dwarf is a celestial body that a giant star becomes at the end of its life.
(astronomy) black dwarf
It is believed that black dwarfs are formed by the cooling of white dwarfs.
(neurology) astrocyte
Astrocytes are one of the important support cells in the brain.
Alpha Centauri (brightest star in the southern constellation of Centaurus)
Alpha Centauri, in the constellation of Centaurus, is the closest star to Earth.
sub-brown dwarf
A sub-brown dwarf is a celestial body between a planet and a brown dwarf.
a goal cannot be attained easily
He said, 'A nameless star comes out in the evening,' teaching me that achieving a goal is not easy.
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