Sent_en: 2zh Assuming that the size and distribution of the clouds are representative, Nicastro and colleagues made the first reliable estimate of average density of baryons in such clouds throughout the Universe, finding it consistent with the mass density of the missing baryons.
Sent_yy: 假设云的大小和分布具有代表性，尼卡斯托及其同事首次可靠地估算了整个宇宙中这种云中重子的平均密度，并发现它与缺失重子的质量密度一致。