While answering people's questions about SpaceX's Starship launch system on Twitter, Elon Musk compared the experience of slipping Earth's Surly bindings to Disney's Space Mountain tour.
Originally, Musk answered a question about how many passengers Starship could go on a trip to Mars – as his response was about 100 although he said it could take up to 1,000 on shorter trips as Passengers do not need cabin space.
Several Twitter users chatted with their own questions, including how many people rocket could perform land to ̵
Here is a commercial video SpaceX released in September 2017:
A Twitter user asked if passengers could move around during the flight.
"It would be unwise," replied Musk. "Probably needs a restraining mechanism like Disney's Space Mountain roller coaster. Can feel like Space Mountain in many ways, but you want to go out on another continent."
In a previous tweet Musk said that for Earth-to-Earth tours is rocket "basically an ICBM" – an intercontinental ballistic missile – running on "Mach 25." Mach number refers to how much faster than sound an object travels.
For context, Concorde traveled around Mach 2, which means that Starship is considerably faster than the supersonic aircraft grounded in 2003.
And forget the idea of luxury. Musk said that all seats on his BFR would be "coach" with "no toilets, pilot area or cooking needs" during flights, most of which would be up to 20 minutes long.
This story has been updated.