2019 August 3 Mimas in Saturnlight Image Credit: Cassini Imaging Team, SSI, JPL, ESA, NASA Explanation: Peering from the shadows, the Saturn-facing hemisphere of Mimas lies in near darkness alongside a dramatic sunlit crescent. The mosaic was captured near the Cassini spacecraft’s final close […]
Lost in the glare following the Apollo 11 Moon landing, two intrepid robotic spacecraft flew by Mars in the summer of 1969 and returned photographs and a trove of scientific information. Launched on Feb. 25 and March 27, respectively, Mariner 6 and 7 arrived at Mars just five days apart despite bein
Chamaeleon II Dark Cloud Image Credit & Copyright: Don Goldman Explanation: A small constellation hiding near the south celestial pole, The Chamaeleon boasts no bright stars. Stars are forming within its constellation boundaries though, in a complex of dark, dusty molecular clouds. Some 500 ligh
2017年9月，野火肆虐美国西部，产生的烟雾弥漫全国。这幅自然色彩的马赛克图像是由索米国家极地轨道合作伙伴号卫星上的可见光红外成像辐射计套件于2017年9月4日拍摄的几幅场景组合而成。 版权：NASA地球天文台的图片，图像由约书亚•斯蒂文斯（Joshua Stevens）和杰西•艾伦（Jesse Allen）使用来自索米国家极地轨道伙伴关系号卫星的VIIRS数据生成。 美国国家航空航天局（NASA）的DC-8空中实验室于7月22日起飞，开始对美国火灾烟雾的生命周期进行为期两个月的调查，旨在更好地了解烟雾对天气和气候的影响，并提供有助于改善空气质量预测的信息。 NASA、NOAA和大学合作伙伴正
NASA astronaut candidate Raja Chari climbs into a NASA T-38 aircraft, Friday, July 12, 2019, at Ellington Field in Houston, Texas. Chari was selected by NASA to join the 2017 Astronaut Candidate Class and reported for duty in August 2017. The Iowa native graduated from the U.S. Air Force Academy in
This week in 1971, Apollo 15 became the first mission to use the Lunar Roving Vehicle. The LRV was a lightweight, electric vehicle designed to operate in the low-gravity vacuum of the Moon. It was capable of traversing the lunar surface, allowing Apollo astronauts to extend the range of their extrav
2019 August 1 Elements in the Aftermath Image Credit: NASA/CXC/SAO Explanation: Massive stars spend their brief lives furiously burning nuclear fuel. Through fusion at extreme temperatures and densities surrounding the stellar core, nuclei of light elements ike Hydrogen and Helium are combined to he
北京时间20时10分，俄罗斯的Soyuz-2.1a型火箭携带MS-12货运飞船（或称进步73号货运飞船），从哈萨克斯坦拜科努尔航天发射场升空，给空间站送去了大约3吨的食物，燃料和补给，包括705千克的推进剂，50千克的氧气和400千克的水。
Orbiting about 260 miles above the Earth, the crew of the International Space Station snapped this image of the Mediterranean coasts of Tunisia and Libya and the Italian island of Sicily, as the station flew over North Africa. Image Credit: NASA 国际空间站在距地球约260英里的轨道上运行，在飞越北非上空时，国际空间站的机组人员拍下了突尼斯、利比亚和意大
2019 July 31 IC 1795: The Fishhead Nebula Image Credit & Copyright: Alan Pham Explanation: To some, this nebula looks like the head of a fish. However, this colorful cosmic portrait really features glowing gas and obscuring dust clouds in IC 1795, a star forming region in the northern constellat
