Spectroscopy of QSO pairs

The Ly{alpha} forest has opened a new redshift regime for cosmological investigation. At z>2 it provides a unique probe of cosmic geometry and an independent constraint on...莱曼α森林（Lyα forest）为宇宙学研究开辟了全新的红移研究区间。在红移z＞2的条件下，它为宇宙几何结构提供了独特的探测探针，并可对……给出独立约束。