Because space... has no reference points!
"You're quite knowledgeable!" Gear praised.
"That's right!" Kang Xueke said with a little pride, "I've seen a lot of movies!"
The six people floating behind were a little embarrassed. What does this have to do with watching a movie?
At this time, Lawrence Lu turned around.
"Kang Xueke, can you explain why you know from watching movies that spaceships should fly upside down?"
"That's easy!" Kang Xueke leaned against the large glass window. "In movies, whether it's the moon landing documentaries from the 1960s or science fiction films, the scenery outside the cabin is always Earth!"
In other words, if you want to see the earth by looking up in the spacecraft, the cabin window above your head must face the ground.
How can you see it if you don’t open it backwards?
"Locate the space station!" Lu Guansheng said to the gear.
The gear floated to the operating panel. After taking the panel away, those people realized that they didn't have to sit in the driver's seat to operate the panel.
"See? Is the space station flying forward or backward?" Lu Guansheng pointed to the space station in front.
Everyone suddenly felt that their cognition was challenged.
"Because of weightlessness, there's no up or down in space. All positions are relative!" Lu Guansheng looked at the six of them. "You need to abandon terrestrial logic to better master the essentials of space flight."
After saying this, looking at the six people who nodded and felt that they had learned something, Lu Guansheng said slowly: "Even the little girl can realize this, are you guys lagging behind in thinking?"
Kang Xueke then added, "The three people who were eliminated just now weren't eliminated because they were cowards or because they screamed. It was because in the state of weightlessness, you held on to your seats tightly, trying to stay in the right position."
This is a lag in thinking!
Except for the one that was eliminated because the test pilot did not consider the possibility of failure on his first test flight without any instruction manual, the other two were eliminated for this reason.
Although one of them remained calm at first, when Lu Guansheng asked him to remove the rod from the top of the plane and fix it to the ground, he always maintained an upright walking posture.
As you can imagine, it's difficult to maintain balance when walking this way. Plus, without gravity, all force generation relies on reaction force.
When standing and pulling the bar down from above the head, the reaction force after pushing the legs is upward. It took a few pulls and a lot of effort to succeed.
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