The Sun released an X1 solar flare, a powerful burst of energy, captured by our Solar Dynamics Observatory (SDO) on Oct. 2, 2022. X-class are the most intense flares, while the number provides more information about its strength. For instance, an X1 flare is half as strong as an X2. While solar flar […]
2022年10月11日 Stars, Dust, Pillars, and Jets in the Pelican Nebula Image Credit & Copyright: Adriano Almeida Explanation: What dark structures arise within the Pelican Nebula? On the whole, the nebula appears like a bird (a pelican) and is seen toward the constellation of a different bird: Cygnus
2022年10月10日 A Double Lunar Analemma over Turkey Image Credit & Copyright: Betul Turksoy Explanation: An analemma is that figure-8 curve you get when you mark the position of the Sun at the same time each day for one year. But the trick to imaging an analemma of the Moon is to wait bit longer. O
2022年10月9日 Auroras over Northern Canada Image Credit & Copyright: Kwon, O Chul (TWAN) Explanation: Gusting solar winds and blasts of charged particles from the Sun resulted in several rewarding nights of auroras back in 2014 December, near the peak of the last 11-year solar cycle. The featured
NASA的洞察号火星车于2022年4月24日，即任务的第1211个火星日，拍摄了最后一张自拍。自2018年11月登陆火星以来，火星车的太阳能电池板已被灰尘覆盖，导致其功率水平逐渐下降。 影像来源：NASA/JPL-Caltech 洞察号团队正在采取措施帮助太阳能火星车尽可能长时间地继续运行。 NASA的洞察号任务预计将在不久的将来结束，随着一场大陆级的沙尘暴在火星南半球上空盘旋，其太阳能电池板产生的电力最近有所下降。2022年9月21日，NASA的火星侦察轨道器（MRO）首次观测到这场风暴，风暴距离洞察号约2,175英里（3,500公里），最初风暴对火星车影响不大。 该任务仔细监测火星车的功率
2022年10月8日 Two Comets in Southern Skies Image Credit & Copyright: Jose J. Chambo (Cometografia) Explanation: Heading for its closest approach to the Sun or perihelion on December 20, comet C/2017 K2 (PanSTARRS) remains a sight for telescopic observers as it sweeps through planet Earth’s s
In this 20-second exposure from Oct. 5, 2022, a SpaceX Falcon 9 rocket carrying the company’s Crew Dragon spacecraft is launched on NASA’s SpaceX Crew-5 mission from our Kennedy Space Center in Florida to the International Space Station (ISS). This is the fifth crew rotation mission of the Spa
Astronaut Serena Auñón-Chancellor installs samples for the Microgravity Investigation of Cement Solidification (MICS) experiment aboard the International Space Station (ISS) in this image from Nov. 27, 2018. MICS explored how cement solidified in microgravity, important research for constructing saf
Astronaut Nicole Mann sits inside a T-38 trainer jet at Ellington Field in Houston, Texas, in this image from Nov. 15, 2018. She served as the T-38 safety and training officer; T-38s are used for pilot proficiency and training for astronauts. Selected as an astronaut candidate in June 2013, Mann wil
