Curiosity Drives Over a New Kind of Terrain
The Curiosity Mars Rover took this image with its Mast Camera (Mastcam) on Feb. 10, 2019 (Sol 2316).
Sharpest Ultima Thule
2019 February 28 Sharpest Ultima Thule Image Credit: NASA, Johns Hopkins University APL, Southwest Research Institute, Nation…
宇宙有三分之一的质量不知所踪？它们的藏身之处终于被揭晓了
Credits: Illustration:Springel et al. (2005); Spectrum: NASA/CXC/CfA/Kovács et al. 为了找寻一种听起来不太像会消失的东西，天文学家已经花费了好几十年的时间，这种东西你大…
Magnetic Orion
2019 February 27 Magnetic Orion Image Credit & Copyright: NASA, SOFIA, D. Chuss et al. & ESO, M. McCaughrean et al. E…
Earnest C. Smith in the Astrionics Laboratory in 1964
Earnest C. Smith in the Astrionics Laboratory in 1964.
Simulation TNG50: A Galaxy Cluster Forms
2019 February 26 Simulation TNG50: A Galaxy Cluster Forms Video Credit: IllustrisTNG Project; Visualization: Dylan Nelson (Ma…
Alvin Drew Works on the International Space Station
NASA astronaut Alvin Drew participated in the STS-133 mission’s first spacewalk.
新发现海王星的小卫星，其实来自海卫八？
新发现的这颗小卫星被天文学家称为“不该存在的卫星”。 2013 年的时候，行星科学家用 NASA 的哈勃空间望远镜（ Hubble Space Telescope）发现了一颗围绕海王星（Neptune）的神秘卫星，但直到多年之后的今天，他们才终于想出…
Red Sprite Lightning over Kununurra
2019 February 25 Red Sprite Lightning over Kununurra Image Credit & Copyright: Ben Broady Explanation: What are those red…
The Expanding Echoes of Supernova 1987A
2019 February 24 The Expanding Echoes of Supernova 1987A Video Credit & Copyright: David Malin, AAT Explanation: Can you …