Essentially, galaxy clustering constraints on σ 8 probe the growth of structure from the early universe (where we have precise measurements thanks to the cosmic microwave background) to late times.

( Nanowerk News) Researchers led by Ph.D student Serikbek Sailanbek from the Xinjiang Astronomical Observatory of the Chinese ...

This spectrograph map, generated from data collected by NASA's New Horizons probe, depicts the relatively uniform brightness of the ultraviolet "Lyman-alpha" background surrounding our Sun and its ...

Read the original story here. The NASA New Horizons spacecraft’s extensive observations of Lyman-alpha emissions have resulted in the first-ever map from the galaxy at this important ultraviolet ...

The SwRI-led NASA New Horizons mission's extensive observations of Lyman-alpha emissions have resulted in the first-ever map from the galaxy in Lyman-alpha light. This SwRI-developed Alice ...

The SwRI-led NASA New Horizons mission’s extensive observations of Lyman-alpha emissions have resulted in the first-ever map from the galaxy in Lyman-alpha light. This SwRI-developed Alice ...