Sea ice is frozen seawater that floats in the ocean. This photo, taken from NASA’s Gulfstream V Research Aircraft on July 21, 2022, shows Arctic sea ice in the Lincoln Sea north of Greenland.
This image is the NASA Science Image of the Month for September 2025. Each month, NASA’s Science Mission Directorate chooses an image to feature, offering desktop wallpaper downloads, as well as links to related topics, activities, and games.
Text and image credit: NASA/Rachel Tilling
海冰是冻结的海水，漂浮在海洋表面。这张照片拍摄于2022年7月21日，地点是格陵兰岛以北的林肯海，由NASA的湾流V型研究飞机拍摄，画面中展示了北极的海冰景象。
这张影像被评为NASA 2025年9月科学月度图片。每个月，NASA科学任务理事会都会精选一张图片进行展示，并提供桌面壁纸下载，同时附上相关主题、活动与互动游戏的链接。
文字与图片来源: NASA/Rachel Tilling
