Washington , DC company United Space Structures wants to create a new space station . It rotates 100 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 .
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 .