保护地球，探索宇宙，发现文明
2023年5月17日 Sunspot with Light Bridge Image Credit & Copyright: Mark Johnston Explanation: Why would a small part of the Sun appear slightly dark? Visible is a close-up picture of sunspots, depressions on the Sun’s surface that are slightly cooler and less bright than the rest of the Sun. The Sun’s complex magnetic field creates these cool re...
2023年5月3日，在太空的黑暗中，蜡黄的上弦月格外显眼。这张照片是国际空间站在南大西洋上空268英里的轨道上拍摄。在盈亏期，月亮的大部分都可见，它在天空中看起来更亮。了解月球的每一个相位。
2023年5月16日 Total Eclipse: The Big Corona Image Credit & Copyright: Reinhold Wittich Explanation: Most photographs don’t adequately portray the magnificence of the Sun‘s corona. Seeing the corona first-hand during a total solar eclipse is unparalleled. The human eye can adapt to see coronal features and extent that average cameras usually can...
利用韦伯的NIRSpec（近红外光谱仪）仪器，天文学家首次证实了在主小行星带的一颗彗星周围存在气体——特别是水蒸气，这表明原始太阳系的水冰可以保存在该区域。
Maestro Piotr Gajewski conducts the National Philharmonic in the world premiere performance of Henry Dehlinger’s “Cosmic Cycles,” in this photo from Thursday, May 11, 2023, as an enhanced color image of Jupiter is displayed above. “Cosmic Cycles: A Space Symphony” is a collaboration between composer Henry Dehlinger, NASA’s Goddard Space Flight Center, and th...
2023年5月15日 M16: Eagle Nebula Deep Field Image Credit & Copyright: Gianni Lacroce Explanation: From afar, the whole thing looks like an eagle. A closer look at the Eagle Nebula, however, shows the bright region is actually a window into the center of a larger dark shell of dust. Through this window, a brightly-lit workshop appears where a whole open clus...
本周，世界各地的天文学家正在庆祝下一轮韦伯观测内容的公告。我们请太空望远镜科学研究所的助理天文学家、JWST科学政策组组长陈棣芳（Christine Chen）讲述确定韦伯将要观察的目标的选择过程。
2023年5月14日 To Fly Free in Space Image Credit: NASA, STS-41B Explanation: What would it be like to fly free in space? At about 100 meters from the cargo bay of the space shuttle Challenger, Bruce McCandless II was living the dream — floating farther out than anyone had ever been before. Guided by a Manned Maneuvering Unit (MMU), astronaut McCandless, pi...
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...
岩石中留下的证据让科学家们重新思考古代火星上的水环境是什么样子。