Einstein Cross
simple past tense and past participle of impetrate
An escarpment in the Pensacola Mountains, Queen Elizabeth Land, Antarctica
plural of nephroblastoma
(astronomy) A quadruply replicated image of a quasar, in the configuration of a cross, surrounding a central foreground galaxy which caused the replication through gravitational lensing.
天文学者たちは、重力レンズによって遠方のクエーサーが手前の銀河の周りに四重像を作り十字形に見える、アインシュタイン十字の最初の鮮明な画像を祝った。
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