铜港上空的STEVE
2021年05月05日 STEVE over Copper Harbor Image Credit & Copyright: MaryBeth Kiczenski Explanation: What creates STEVEs? Strong Thermal Emission Velocity Enhancements (STEVEs) have likely been seen since antiquity, but only in the past five years has it been realized that their colors and shapes make them different from auroras. Seen as single bright streaks...