Messier 87*
To urbanize; to center or focus on the city. / To develop into a city or urban area. / (obsolete) To visit the city.
plural of pensionnaire
(sumo) A kimarite in which the attacker grabs his opponent's arm at the wrist, bars it, and forces him down.
The central supermassive black hole of galaxy Messier 87, the first directly imaged supermassive blackhole
天文学者たちは、その鮮明な画像が楕円銀河M87の中心にある超大質量ブラックホール（直接撮像された最初の超大質量ブラックホール）の影をとらえていたことを喜んだ。
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