In 2007, NASA sent its Dawn spacecraft to visit the two asteroids. Vesta will reach opposition on March 4. Just after midnight, asteroid hunters can find this rocky body at the highest point in the sky, near the constellation Leo. May 26 — Total Lunar Eclipse: Early birds on the ...
【题目】It is interesting how NASA(美国航天航空局) chos e their astronauts for landing the m on th e moon. T hey chos e men 36 th e ges o f twenty an d thirty-five. T her e wer e abo ut fifty o f them. Som e wer e 37 air pilots,an d 38 wer e scientists with two or...
NASA telephoned each man they were going to choose; told him the plans and the they might get in. They then asked him if he was willing to be trained as an astronaut. "How could any man such an exciting job?" One of them said, "Dangerous? Of course. It's dangerous ...
Exclusive: How NASA astronauts are training to walk on the Moon in 2026Planetary scienceAstronomy and astrophysicsSimulated lunar exploration in an Arizona volcanic field this month helped astronauts to prepare for doing geology in harsh conditions at the lunar south pole.Naturejoined mission control.#...
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Mars.NASA The transit period to get to Mars is approximately nine months each way, according to Bell, and the astronauts would spend over a year on the planet collecting data and assessing the planetary alignment that would allow the spacecraft to land and depart from Mars on the same ...
1. 【答案】to get 【解析】Humans have spent billions of dollars trying to figure out(人类花费了数十亿美元试图弄清楚),根据所给词汇get(到达),以及空前how(如何),空后to Mars(去火星),可知此处为:“特殊疑问词+动词不定式”在句中作宾语,即how to get(如何到达),故答案为:to get。2. 【答案】...
1. Why does NASA do these experiments? A. Because it wants to know what kind of people can live on Mars. B. Because it wants to know whether humans live well on Mars. C. Because it wants to help astronauts get ready for coming home. D. Because it wants to understand the coming...
“NASA’s rovers are enduring Mars’ harsh environment to collect ground-breaking science samples,” said Nicky Fox, who leads NASA’s Science Mission Directorate. “We want to bring those back as quickly as possible to study them in state-of-the-art facilities. Mars Sample Return will allow...
“Mission managers are targeting an earlier Crew-9 return opportunity based on favorable conditions forecasted for the evening of Tuesday, March 18,”NASA saidin a message on its website. “The updated return target continues to allow the space station crew members time to complete handover dutie...