保护地球，探索宇宙，发现文明
2021年03月05日 A Little Like Mars Image Credit & Copyright: Robert Barsa Explanation: The surface of this planet looks a little like Mars. It’s really planet Earth though. In a digitally stitched little planet projection, the 360 degree mosaic was captured near San Pedro in the Chilean Atacama desert. Telescopes in domes on the horizon are taking adv...
2021年03月04日 Mars in Taurus Image Credit & Copyright: Petr Horalek / Institute of Physics in Opava Explanation: You can spot Mars in the evening sky tonight. Now home to the Perseverance rover, the Red Planet is presently wandering through the constellation Taurus, close on the sky to the Seven Sisters or Pleiades star cluster. In fact this deep, widefie...
This image depicts a possible area through which the Perseverance Mars rover could traverse across Jezero Crater as it investigates several ancient environments that may have once been habitable. The route begins at the cliffs defining the base of a delta produced by a river as it flowed into a lake that once filled the crater. The path then traverses up and...
This is the first high-resolution, color image to be sent back by the Hazard Cameras on the underside of NASA’s Perseverance Mars rover after its landing on Feb. 18, 2021. Video from landing chronicles major milestones during the final minutes of its entry, descent, and landing on the Red Planet, as the spacecraft plummeted, parachuted, and rocketed toward t...
2021年02月23日 Video: Perseverance Landing on Mars Video Credit: NASA/JPL-Caltech, Mars 2020 Mission Team Explanation: What would it look like to land on Mars? To better monitor the instruments involved in the Entry, Decent, and Landing of the Perseverance Rover on Mars last week, cameras with video capability were included that have now returned their images. ...
2021年02月20日 Perseverance: How to Land on Mars Image Credit: NASA, JPL, Mars 2020 Explanation: Slung beneath its rocket powered descent stage Perseverance hangs only a few meters above the martian surface, captured here moments before its February 18 touchdown on the Red Planet. The breath-taking view followed an intense seven minute trip from the top of the ...
2021年2月18日星期四，美国宇航局毅力号火星车团队成员在位于加利福尼亚州帕萨迪纳市的NASA喷气推进实验室的任务控制中心观看航天器成功着陆火星后的第一批图像。毅力号火星任务的一个关键目标是天体生物学，包括寻找古代微生物生命的迹象。探测器将描述火星的地质和过去的气候，为人类探索火星铺平道路，并将成为第一个收集和封存火星岩石和风化层的任务。 影像来源：NASA/Bill Ingalls 在经历了203天的行程，穿越了2.93亿英里（4.72亿公里）之后，NASA最大、最先进的火星车已于周四登陆火星。美国东部标准时间下午3:55（太平洋标准时间下午12:55），美国宇航局位于南加州的喷气推进实验室的任务控制中心宣布成功着陆。 2020年7月30日，充满突破性技术的火星2020任务从佛罗里达州卡纳维拉尔角空间站发射...
2021年02月19日 Mars Perseverance Sol 0 Image Credit: NASA, JPL, Mars 2020 Explanation: After a 203 day interplanetary voyage, and seven minutes of terror, Perseverance has landed on Mars. Confirmation of the successful landing at Jezero crater was announced from mission control at NASA’s Jet Propulsion Laboratory in Southern California at 12:55 pm PST on Februa...
2021年02月18日 Swiss Alps, Martian Sky Image Credit & Copyright: Jens Bydal Explanation: Taken on February 6, this snowy mountain and skyscape was captured near Melchsee-Frutt, central Switzerland, planet Earth. The reddish daylight and blue tinted glow around the afternoon Sun are colors of the Martian sky, though. Of course both worlds have the same Sun....
2021年02月16日 Perseverance: Seven Minutes to Mars Video Credit: NASA, JPL Explanation: How hard is it to land safely on Mars? So hard that many more attempts have failed than succeeded. The next attempt will be on Thursday. The main problem is that the Martian atmosphere is too thick to ignore — or it will melt your spacecraft. On the other hand, the atm...