The Vera Rubin Observatory in the Atacama Desert recalibrated under a purple night sky.

Night sky glows purple above Vera Rubin Observatory | Space photo of the day for July 22, 2025

Source: space
Source Link: https://www.space.com/astronomy/night-sky-glows-purple-above-vera-rubin-observatory-space-photo-of-the-day-for-july-22-2025