Three Chinese astronauts, also known as taikonauts, are now stationed in the core module of China's space station about 400 kilometers above Earth. Here's a quick guide to what the trio are doing and what their conditions are like. 

What are they doing?

Setting up home is always the first step when starting life in a new environment. 

As the first inhabitants of China's space station, the trio "have a lot of tasks to do after entering the core module. For screws alone, they have over 1,000 to remove," Yang Liwei, deputy chief designer of China's manned space program, said at Peking University on Friday.

Their main tasks during the first week are to install facilities, including information communication, living, catering and sanitation, so as to lay the basic foundations for a long-term residence in orbit, according to Sun Jun, deputy director of the Beijing Aerospace Control Center.

After that, the astronauts will carry out space science experiments and in-orbit training, particularly for extravehicular activities.

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