But if the idea is to construct a self -
sustaining environment where
humans can persist indefinitely with only modest help from Earth — the working definition of a «
colony,» according to the various European
colonies outside of Europe — then I'd say this is very far in the future, if it's possible at all.
When it was completed, the facility became a controversial and broad experiment in hermetically sealed, self -
sustained living with the aim of revealing how
humans might fare on space
colonies.
Human expeditions to Mars are expected within two or three decades, and Elon Musk of Space X previously said he wants to help the human race to establish a permanent, self - sustaining colony on Mars within the next 50 to 100 y
Human expeditions to Mars are expected within two or three decades, and Elon Musk of Space X previously said he wants to help the
human race to establish a permanent, self - sustaining colony on Mars within the next 50 to 100 y
human race to establish a permanent, self -
sustaining colony on Mars within the next 50 to 100 years.