A. Astronauts have to use less equipment to add resistance in space. B. Astronauts have to exercise for a longer period of time each day to stay strong. C. Astronauts have to work out for less time to get the desired results. D. Astronauts do not need to exercise while in space. ...
D. Practicing spacewalks for six or seven hours every day. 每天练习六七个小时的太空行走。 4. For possible problems in space, what do astronauts do? 对于太空中可能出现的问题,宇航员会做些什么呢? They take courses to learn things like math and science. 他们参加课程是为了学习数学和科学之类的东...
While they aren’t on Earth physically, astronauts on the International Space Station help those who are on the ground by getting a view of tropical weather – and other natural events – from high above the planet. Astronauts Megan McArthur and Sh...
Trump and Aldrin’s relationship dates back to at least 2019, when Trump invited astronauts to the Oval Office to commemorate the 50th anniversary of the moon landing. At the time, Aldrin was critical of the government’s investment in space exploration. “Actually, I’ve been a...
The spacecraft would have to be able to dock with another object in space. The new capsule also needed to have more maneuverability than the Mercury spacecraft. Engineers based their design on the Mercury capsule, but made it larger so that two astronauts could travel together. A NASA ...
Whatcareersarethereinspaceandhowdoyougetstarted? Scroll Our Mission: Demystify the Space Sector We’ve said it before, and we’ll say it again;Space isn’t all Astronauts and Rocket Scientists. There are thousands of different roles in the space sector, and whilst STEM leads the way, there ...
But how do we get the sails and their spacecraft into space? Let's take a look. You want holes in the sail? Les Johnson, of Marshall Space Flight Center, holds a rigid, lightweight carbon fiber material that gave many solar-sail-scientists pause for thought. This fiber was a departure...
To keep their muscles strong, astronauts need to exercise about 2 hours each day on the International Space Station. Sleep disorder In space, the sun rises every 90 minutes. It is hard for astronauts to get used to this light-dark cycle when they sleep. Now they have individual seeping ...
6、Astronauts should be very strong in health, so they are ___ all kinds of tests before they are finally sent up in a spacecraft. A、subject to B、prone to C、objected to D、bound to 参考答案:A 7、Don't let such a ___ matter as this come between us so that we can concentrat...
When the Apollo astronauts first landed on the Moon they had to figure out the most efficient way to get around on the surface, with just one-sixth of Earth's gravity. Lower surface gravity also means less friction between your boots and the ground, so you are more likely to slip. ...