Space economy: refers to the economic benefits obtained through the use of space technology and space activities to create products, services, and markets. Which of the following are not part of the space economy? ['Europe plans to produce a space tourism aircraft in 2012 to provide passengers with a 30-minute space tourism flight, and each tourist charges about 150,000 to 200,000 euros.', 'There is a wealth of energy in space, such as helium-3, which is called "super gold". As long as 100 tons, it can provide enough energy for the world to use for one year.', 'The first space hotel in the world will be completed in 2012, when space fans can spend 4 million to play a day and experience the magical feeling of watching 15 sunrises and 80 minutes traveling around the earth for a week.', 'Live satellite television, satellite radio communications, fixed satellite services, mobile satellite services, global positioning, and other space activities all generate huge profits directly or indirectly.']