City Lights On Another Planet 2024. Searching for city lights on other planets. Nasa explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery.

There’s a detectable difference between a planet shining with reflected light and a planet glowing with its own artificial illumination. The james webb space telescope has spotted signs of an aurora over a ‘failed star’ in the form of infrared emissions from methane in the brown dwarf atmosphere.