根据句意可知,设空处意为“旅行”,四个选项都有此意,A选项“trip”指短期旅行,出行目的较明确,是为进行一种特定活动;B选项“journey”是非正式用语,指从一地到另一地,通常指陆地上的远距离“旅行”;C选项“tour”指最后回到出发地,通常可含有“周游;参观游览”的意思;D选项“tourist”意为“旅游者;观...
In this article, we delve into the mechanics of traveling to Mars using current technology and examine the variables that impact the length of the journey. How far away is Mars? To determine how long it will take to reach Mars, we must first know the distance between the two planets. ...
How long does it take to get from Earth to Mars? The trip takesaround seven months; a bit longer than astronauts currently stay on the International Space Station. The precise duration of each journey depends on when it is taken. Because both Mars and Earth's orbits are not perfectly circu...
Traveling to the moon is no easy feat. Our natural satellite orbits Earth at an average distance of 238,855 miles (384,400 kilometers). So how long does it take to reach our closest neighbor from the moment a spaceship lifts off? Based on lunar missions from the past few decades, the...
aThis exhibition shows how progress will touch our lives. It allows us to look into the future and explore the cities of the next century and the way we'll be living then. Spend some time in our space station and climb into our simulator(模拟装置) for the Journey to Mars! 这陈列显示...
22, 2021 – Mars is increasingly interesting to astronomers, astrophysicists and future astronauts. NASA plans to put astronauts on Mars in the future, and Elon Musk keeps claiming he'll do it first, but before we strap in and blast off, it helps to know exactly how long it takes to ...
These were features that were missing aboard the space station when it was first commissioned, but which we know are critical to positive psychological functioning and well-being. For long duration missions in deep space, it's important that crew members feel less like they're living in a ...
The journey to Mars will take nine months, so the five of us will be working and living together in our spaceship for all of that time. Conrad: That’s a long time! Amelia: Yes, it is, and in our training, we’ve learnt how to keep our bodies and minds healthy for that length ...
(3) In Sarp, walk across the border- there was a line 2km long of vehicles waiting to cross that included the buses from Turkish cities to Batumi/Tbilisi and beyond... I was glad to have not taken a direct bus. (4) Take a Georgian dolmus (marshutka) from the frontier to Batumi,...
Staring at something, anything, beyond the confines of the spaceship bulkheads is a welcome relief for the mind as well as the eyes. NASA’s Human Research Program rates “isolation and confinement” as one of the key threats to human health during long-duration spaceflight. Getting to Mars ...