保护地球, 探索宇宙, 发现文明
6月份的天空会发生什么？ 影像来源：NASA/JPL-Caltech 翻译：灼眼的粉丝 火星和金星，夏天的星星，还有夏至！ 随着北半球夏季明亮的行星升起，战争和爱情的行星每晚都越来越近。请注意21号的夏至。 月度亮点 6月1日至2日——火星位于蜂巢星团（M44）。天黑后在西方寻找这颗红色的行星，双筒望远镜或小型望远镜会在这个开放的星团中发现一个闪闪发光的恒星背景。 6月3日——满月 6月18日——新月 6月21日——今晚新月与金星和火星组成一个可爱的组合。日落后在西方找到它们。 6月21日——夏至。对北方来说，这是一年中白昼时间最长的一天，因为太阳在天空中的轨迹最高、最长。南半球的情况正好相反，在寒冷的冬季，南半球一年中白昼时间最短的一天。 整月——日落之后，火星和金星在西方天空的每个夜晚都越来越近。每晚这对双...
Two black-bellied whistling ducks walk through a field of wildflowers at Kennedy Space Center in Florida on May 19, 2023. The center shares a border with the Merritt Island National Wildlife Refuge. Merritt Island’s strategic location along the Atlantic Flyway provides a resting and feeding place for thousands of wading birds, shorebirds, and songbirds...
拉古纳圣拉斐尔国家公园以其众多河流和巴塔哥尼亚北部最大的冰川之一而闻名，这张照片拍摄于2023年5月9日，当时空间站在智利上空268英里的轨道上运行。
2023年5月13日 Apollo 17: The Crescent Earth Image Credit: Apollo 17, NASA; Restoration – Toby Ord Explanation: Our fair planet sports a curved, sunlit crescent against the black backdrop of space in this stunning photograph. From the unfamiliar perspective, the Earth is small and, like a telescopic image of a distant planet, the entire horizon is complete...
A team member from the Environmental Management Branch at NASA’s Kennedy Space Center works to remove a mangrove seedling deposited by tropical winds on the shoreline of KARS Park at Kennedy in this image from April 12, 2023. This spring, workers in the area replaced sand and finished an offshore wave break. The mangroves will be repotted and held in nearby ...
2023年5月9日 Shadows of Earth Image Credit & Copyright: Marcella Giulia Pace Explanation: Can you find two Earth shadows in today’s image? It’s a bit tricky. To find the first shadow, observe that the top part of the atmosphere appears pink and the lower part appears blue. This is because the top half is exposed to direct sunlight, while the lo...
Popocatépetl, one of Mexico’s most active volcanoes, has been erupting since 2005. On April 14, 2023, when this image was acquired by Landsat 8, monitoring systems detected water vapor, volcanic gases, and ash coming from the volcano. Plumes rose as high as 4.5 miles (7.3 kilometers). Learn more about Popocatépetl. Image Credit: NASA/Lauren Dauphin; USGS 波波卡...
5月份的天空会发生什么？月球与行星的合影，我们到达了“金星的顶峰”，以及南半球的天空有什么不同呢？
Former NASA Administrator Charlie Bolden speaks with local students during an Earth Day event, Thursday, April 20, 2023, at Union Station in Washington. The agency’s Earth Day exhibits are a free, public part of yearly celebrations; visitors can participate in hands-on activities and learn about the many ways NASA conducts Earth science. Image Credit: NASA/K...
OPERA可以整合来自多颗卫星的数据，帮助政府机构、灾难应急人员和公众获取关于自然和人类对土地影响的数据。