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It’s more than 384,000km from Earth. We can see it most nights. And it’s not made of cheese! I am, of course, talking about the Moon. Astronauts have taken giant steps to explore this natural satellite floating in space, but despite it being out of reach for most of us, it st...
when you get to the open space, put your hands on your head. When you are in school, you have to follow your teachers instructions. At home at school when you cant run out to the toilet, or squat under the corner, it is best to hide in a narrow space, the most triangular area. ...
But it's not good to be floating away somewhere while sleeping. So astronauts use small sleeping compartments(隔间) and sleeping bags.Is it interesting to live in space? Maybe we can travel into outer space and experience the unusual and exciting life there in the near future!()35. What ...
One way is by going for a swim.Floating in space is a lot like floating in water.Astronauts practice spacewalks underwater in a huge special swimming pool.For every one hour they will spend on a spacewalk,astronauts need to train seven hours in the pool.Another way a...
词汇:The Moon and behaviours 月亮;人类行为 It’s more than 384,000km from Earth. We can see it most nights. And it’s not made of cheese! I am, of course, talking about the Moon. Astronauts have taken giant steps to explore this naturalsatellitefloating in space, but despite it being...
It’s really proximity that makes the sun so special to Earth (along with the fact that we wouldn’t be here if it weren’t so close). So, how close is the sun? And how much space does it take to hold 1.3 million Earths? And while we’re at it: How does the sun emit energy...
.These spacesuits are high performance suits with various functions that are designed to protect the astronauts from an environment that is too harsh for a human being to live under, such as space radiation and the vacuum(真空) of space.How can they sleep while they are floating in space?
We often see pictures of astronauts floating around inside theInternational Space Station. While microgravity -- which is the very low gravity environment that creates the illusion of weightlessness -- looks like fun, it places great demands on your body. Initially, you feel nauseated, dizzy and...
on the Earth.Due to the near (2) absence (absent) of gravity in space,astronauts usually sleep in a sleeping bag and have to attach themselves (3) to avoid (avoid) floating around.Their main task inside the space station is to conduct scientific research and with ...