black-hole effect
常见例句
- If a star is just behind a gravitational lens such as a black hole, the effect can produce multiple images of a star or even a so-called Einstein ring that encircles the lens.
有關額外維度的一種說法認爲，如果沒有額外維度，黑洞附近的引力會大很多，因此恒星的影像比正常情況更大更亮。 返回 black-hole effect