奇特夸克团 (Strangelet) 是理论中的物质 (hypothetical object),由上夸克,下夸克和奇特夸克三类夸克组成的物质,若奇特夸克团状态稳定,可产出连锁效应将原子核转变,成温度极高、灰蒙蒙的黏...
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尽管科学理论的大致框架能被直观地勾勒出来,但当物质世界的一部分最终被理解时,它的描述看起来通常就像数学课本中的一页内容。
Though the broad outline of a scientific theory can be sketched intuitively, when a part of the physical universe is finally understood, its description often looks like a page in a mathematics text.
科学家们知道行星是从年轻的恒星周围的物质盘中形成的,但是理论认为从尘埃盘到行星系统的转变非常快,人们很少见到在这一阶段的物体。
Scientists know planets form out of the discs of material around young stars, but theory says the transition from dust disc to planetary system is rapid and few objects are caught during this phase.
约翰-惠勒和诺贝尔奖得主理查德-弗雷曼,他们基于物理体系中时间应该可以倒流的想法,提出了一种反物质理论。
One theory about why antimatter exists was developed by John Wheeler and Nobel laureate Richard Feynman based on the idea that physical systems should be time-reversible.
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