LAMBDA (Legacy Archive for Microwave Background Data Analysis)

LAMBDA (Legacy Archive for Microwave Background Data Analysis) is a comprehensive online platform maintained by NASA that provides access to a vast collection of astrophysical data related to the cosmic microwave background—the faint radiation leftover from the universe's early moments. It enables scientists to analyze, compare, and interpret this data to better understand the universe’s origins, composition, and evolution. Essentially, LAMBDA acts as a central hub for researchers studying the universe's earliest signals, supporting advancements in cosmology through curated, accessible datasets and analytical tools.