spiral galaxies
(quantum field theory) One of a set of three spacelike (and possibly also one timelike) four-dimensional vectors which are orthonormal within some inertial reference frame.
plural of spiral galaxy
far point
Excessive objectification.
天文学者たちは、多くの渦巻銀河の中心に超大質量ブラックホールが存在することを発見した。
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