(航天器) while in space,it is called a spacewalk.Astronauts go on spacewalks for many reasons.For example,experiments can be placed on the outside of a spacecraft.This lets scientists learn how being in space affects ( 影响) different things.By going on spacewalks,astrona...
So what is a spacewalk?Any time an astronaut goes out in spacesuits,it is called a spacewalk.How do astronauts go on spacewalks?They wear spacesuits to keep themselves safe. Inside spacesuits,astronauts have the air they need to breathe(呼吸)and the water they need...
This system uses small jetthrusters that astronauts can control with a joystick to maneuver around inspace and make their way back toward a spacecraft if necessary. Howdo spacewalkers train? It'stough to train for the complicated maneuvers of a spacewalk while on theground, because there is ...
As hard as it is for astronauts to use the toilet in the pressurized environments like ISS, it is an even bigger challenge when you have to wear a spacesuit (particularly if you have to wear it for more than a few hours), This is why the Space Poop Challenge is offering up to $30,...
百度试题 结果1 题目How many ways to keep the astronauts safe during spacewalks?A Two.C Four.B Three.D Five. 相关知识点: 试题来源: 解析 C 反馈 收藏
A. Astronauts find it easy to walk in space. B. Astronauts will spend a lot of time learning space walking. C. Astronauts will prepare a lot for learning space walking. D. Astronauts will have to do over 160 space walks to finish their work.(35. What's the structure of the passage?
Astronauts Take Another Walk: How Far Have Spacewalks Come?NASA astronauts completed their second spacewalk in two weeks onThursday, stepping out into the...Schouten, Lucy
The space suit used by shuttle astronauts operates at 4.3 lb/in2, or 0.29 atm. Therefore, the cabin pressure of either the shuttle itself or an airlock must be reduced before an astronaut gets suited up for a spacewalk. A spacewalking astronaut runs the risk of getting the bends because ...
space by one astronaut -- Sergei Krikalyov -- is just over 803 days. That works out to be just shy of 2.5 years. When you consider most people spend 30 to 35 years in their professional careers, 2.5 years doesn't seem that impressive. What do astronauts do with the rest of their ...
"Human spaceflight is risky, and spacewalks are amongst the riskiest activities astronauts undertake during a mission." Camarda says astronauts tend to be self-driven. "If I have to think of creative ways to inspire people to become astronauts, those are the wrong people. ...