[translate] aAuto-cotation du GRP par l’animateur 正在翻译,请等待...[translate] a荷瘤鼠标本 Dutch lump mouse specimen[translate] aWhy do thing float in space? 为什么事浮游物在空间?[translate]
Why Why Why do astronauts float in space,为什么宇航员会在太空中漂浮,Andrew Plant,Miles Kelly Publishing Ltd,Why Why Why
Why do astronauts float in the ISS?Image: The International Space Station (ISS) is placed in low Earth orbit, at an altitude of approximately 415 km, it circles the Earth in 90 minutes at a speed of 7.7 km/s or 27,700 km/h. The international crew, which is dedicated to scientific ...
This is a great question. It comes up quite often. If you ask the people around you, there are two common answers: Astronauts float around in space because there is no gravity in space. Everyone knows that the farther you get from Earth, the less the gra
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What this means is that space and time are connected – if you move really fast through space, time slows down for you compared to someone who is moving slowly. This is why astronauts – who are moving very fast in space –age a tiny bit more slowly than people on Earth. ...
Because you won't want to fill a wading pool with salt water, you'll want to do this on a small scale, like an ice cube in a glass. Due to salt's density, items float higher in the water. You can do this experiment with things you'll find around the house, and it's fun ...
The press box in Dhaka, Bangladesh, was where this long, strange trip begins. The fans do their best to keep away the aggressive mosquitoes. No magic moment today Game day outside the stadium is wild. People fill the streets for blocks. A drum beats somewhere in the distance. Vuvuzelas ...
(informal) Why oh why do people keep leaving the door open? 人们到底为什么总敞着门呢? 牛津词典 Why get upset just because you got one bad grade? 何必因为一次成绩不好就想不开呢? 牛津词典 Why bother to write? We'll see him tomorrow. 还费事写信干什么?我们明天就见到他了。 牛津词典 That...
emulate a real in-person conference, and it was super tiring and it was difficult to get feedback from the people because you don't see the audience. And then [I thought to myself] ‘Okay, if I'm going to do something online, I should probably do s...