NASA’s New Horizons spacecraft has achieved a groundbreaking milestone by making the first precise measurements of the cosmic optical background—the faint light that permeates the universe. This remarkable discovery provides new insights into the darkness of deep space.
The cosmic optical background is so incredibly dim that measuring it accurately from Earth presents significant challenges, as the brightness of objects within our inner solar system overshadows it. The implications of these findings could reshape our understanding of the universe’s structure and evolution.