“unexplored” 读音为 [ˌʌnɪkˈsplɔːd] ,是以元音音素 /ʌ/ 开头,所以用 “an”,此选项符合题意。C 选项 “the”:是定冠词,表特指,这里并没有特指某一个已经知道的未探索的星球,所以该选项不符合。D 选项:不填冠词的情况一般是在不可数名词或复数名词表泛指等情况,这里 “planet” 是可数...
China has successfully landed a spacecraft on Mars, stale media announced early on Saturday. The six-wheeled Zhurong robot was targeting Utopia Planitia, a vast land in the planet's northern hemisphere.Zhurong, which means God of Fire, was carried to Mars on the Tianwen-1 orbiter, which ...
skip to main content touchdown on mars! nasa lands its insight spacecraft nasa's mars lander, called insight, landed on the red planet and sent its first image of the mars surface. nasa/jpl-caltech save save after a six-month journey across hundreds of millions of miles of deep space, ...
The lander plunged through the thin Martian atmosphere at about 2:47 p.m. EST (1947 GMT), heatshield first, and used a supersonic parachute to slow down. Then, it fired its retro rockets to slowly descend to the surface of Mars, and landed on the smooth plains of Elysium Planitia. Th...
He said the basic design of InSight was inherited from Phoenix spacecraft, which landed on Mars on May 25, 2008. To look deep into Mars, the lander must be at a place where it can stay still and quiet for its entire mission. That's why scientists chose Elysium Planitia as InSight's ...
结合China has successfully landed a spacecraft on Mars可知下文在询问"宇宙飞船着陆前飞行了多长时间";Could在此句中表示过去时态,选项B的时态不正确,排除。故选:A。 —中国航天器成功登陆火星。—哇,太棒了! 你能告诉我它在着陆前飞行了多长时间吗?
The truly hard part is landing on the planet.For slowing down its speed when the lander(着陆器) landed on Mars, it used both a parachute (降落伞) and a retrorocket (减速火箭) in its own “seven minutes of terror(恐怖) "as it moved through the atmosphere(大气层). It then landed in...
China landed a spacecraft on Mars for the first time last Saturday. This makes China the first country to make a successful landing on Mars on its first mission to Mars. China's Zhurong rover (探测车),named after a traditional Chinese fire god, has touched down on the Martian surface, ...
Radio transmissions from Mars take 10 minutes to reach Earth so by the time the controllers see Perseverance has entered the atmosphere, it will have either already landed or been destroyed. Image:The Perseverance rover sits inside its nose cone payload fairing ...
China landed a spacecraft on Mars for the first time last Saturday.This makes China the first country to make a successful landing on Mars on its first mission to Mars.China's Zhurong rover(探测车),named after a ...