2 papers
astro-ph.CO2026
First Observational Evidence for Split Infall Flow of Cosmic Filaments into Clusters
Ji Yao, Huanyuan Shan, Pengjie Zhang +5
Velocity fields in the cosmic web are fundamental to structure formation but remain difficult to observe directly beyond the linear regime. Here we present observational evidence t…
astro-ph.GA2025
Beyond the Local Group -- I: Cosmic Filaments Govern the Spatial Alignments of Galaxy Pairs
Peng Wang
Using a large observational sample from the Sloan Digital Sky Survey, we investigate the spatial alignment between galaxy pairs and their local cosmic filaments. Focusing on pairs…