Últimas notícias da NASA - NASA’s Webb Finds Signs of Possible Aurorae on Isolated Brown Dwarf

NASA’s Webb Finds Signs of Possible Aurorae on Isolated Brown Dwarf
Infrared emission from methane suggests atmospheric heating by auroral processes. Astronomers using NASA’s James Webb Space Telescope have found a brown dwarf (an object more massive than Jupiter but smaller than a star) with infrared emission from methane, likely due to energy in its upper atmosphere. This is an unexpected discovery because the brown dwarf, […]
Fonte: https://ift.tt/XVvJFnr - January 09, 2024