This article estimates the mass limit, degeneration and radius of quark stars.

文章估算了夸克星的质量极限和半径。

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Although the stars are still among the heaviest known, the mass limit has not been broken due to the multiplicity of the system.

虽然它们仍然是已知最重的恒星，但是在这个多星系统内，恒星的质量上限就不会被突破了。

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So far the LHC has doubled the mass limit set by the Tevatron, showing no evidence of squarks at energies up to about 700 gigaelectronvolts.

到目前为止，大型强子对撞机将质子-反质子对撞机设置的质量限制扩大了两倍，以高达约700千兆电子伏的能量规模高速运作也未能找到任何超夸克的存在。

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We know there is no thing called a massless rope, but most ropes have a mass, but maybe negligible compared to the two blocks you are pulling, so we'll take the idealized limit where the mass of the rope is 0.

我们都知道无质量的绳子是不存在的,是绳子就有质量,但是相比于这两个物体就可以忽略不计了,所以我们有了这个理想的条件,即绳子的质量都是 0

耶鲁公开课 - 基础物理课程节选

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