Washington , DC company United Space Structures wants to create a new space station . They have already built one and are now working on the next generation of ISS modules that will be able to support more people in orbit at once. It would be 1,300ft ( 400 metres ) long , cost £200 billion ( $ 300 billion ) and take 30 years to build . ‘ We believe artificial gravity is required to support long term living in space , ’ Bill Kemp from USS told MailOnline .
Washington , DC company United Space Structures wants to create a new space station . It rotates four times a minute to create artificial gravity - with the 'stem ' and 'dome spinning in opposite directions . It would be 1,300ft ( 400 metres ) long , cost £200 billion ( $ 300 billion ) and take 30 years to build . ‘ We believe artificial gravity is required to support long term living in space , ’ Bill Kemp from USS told MailOnline .