保护地球，探索宇宙，发现文明
2023年6月22日 Stars and Dust across Corona Australis Image Credit & Copyright: Alessandro Cipolat Bares Explanation: Cosmic dust clouds cross a rich field of stars in this telescopic vista near the northern boundary of Corona Australis, the Southern Crown. Part of a sprawling molecular cloud complex this star forming region is a mere 500 light-years away. ...
As sunlight and warmth increase in the spring and summer, the North Sea starts to gain swirls and tendrils of color. Phytoplankton—tiny, plant-like organisms that often float near the ocean surface—become abundant during this time, giving the shallow water the distinctive look seen in this June 14, 2023, image from Landsat 9. Phytoplankton turn sunlight and ...
2023年6月21日 Three Sun Paths Image Credit & Copyright: Marcella Giulia Pace & Giuseppe De Donà Explanation: Does the Sun follow the same path every day? No. The Sun’s path changes during the year, tracing a longer route during the summer than the winter. Pictured here, the Sun’s arc was captured from noon to sunset on three days, from hig...
Astronauts Reid Wiseman of NASA (left), Jeremy Hansen of the Canadian Space Agency (middle), and Victor Glover of NASA (right) pay close attention to Moon samples as they receive a lesson in the Apollo Lunar Lab at NASA’s Johnson Space Center in Houston on May 9, 2023. Wiseman, Hansen, and Glover, along with Christina Koch, will venture around the Moon...
2023年6月20日 The Ñandú in the Milky Way Image Credit & Copyright: Fefo Bouvier; Line Drawing: Alfonso Rosso Explanation: Have you seen the bird in the Milky Way? Beyond the man in the Moon, the night sky is filled with stories, and cultures throughout history have projected some of their most enduring legends onto the stars and dust above. Generations of ...
每年冬天，双子座流星雨掠过地球时都会照亮天空，形成夜空中最强烈的流星雨之一。现在，NASA的帕克太阳探测器提供了新的证据，证明一场剧烈的、灾难性的事件创造了双子座流星雨。
2023年6月19日 The Busy Center of the Lagoon Nebula Image Credit: NASA, ESA, Hubble; Processing: Francisco Javier Pobes Serrano Explanation: The center of the Lagoon Nebula is a whirlwind of spectacular star formation. Visible near the image center, at least two long funnel-shaped clouds, each roughly half a light-year long, have been formed by extreme stellar w...
NASA阿尔忒弥斯二号任务的激光通信系统抵达位于佛罗里达州的NASA肯尼迪航天中心，与猎户座宇宙飞船集成，猎户座宇宙飞船将自阿波罗任务以来首次搭载宇航员绕月飞行。
2023年6月18日 Saturn’s Northern Hexagon Image Credit & Copyright: NASA, ESA, JPL, SSI, Cassini Imaging Team Explanation: Why would clouds form a hexagon on Saturn? Nobody is sure. Originally discovered during the Voyager flybys of Saturn in the 1980s, nobody has ever seen anything like it anywhere else in the Solar System. Acquiring its first sunlit ...
2023年6月17日 Planet Earth at Night II Video Credit: NASA, Gateway to Astronaut Photography, ISS Expedition 53; Music: The Low Seas (The 126ers) Explanation: Recorded during 2017, timelapse sequences from the International Space Station are compiled in this serene video of planet Earth at Night. Fans of low Earth orbit can start by enjoying the view as green an...