Space X Mars mission proposal Elon Musk’s SpaceX space transport company is spending millions of dollars to redevelop the tail-down reusability of its Falcon 9 rocket into an ambitious vehicle to settle humans on Mars Apollo 11 Saturn V (to scale) Interplanetary Spaceship Raptor engines: 9 Height: 49.5m Width: 17m Uses: 12 Rocket booster Raptor engines: 42 Height: 77.5m Width: 12m Uses: 1,000 Human (to scale) ITS – INTERPLANETARY TRANSPORT SYSTEM 1 Take- off 2 Separation 3 Earth orbit: Several fuel tankers rendezvous to fill ship for Mars voyage Tankers return to Earth for reuse 4 Ship continues to Mars at 100,000km/h Enters Martian atmosphere, 1,700°C 5 Lands on Mars: Three centre Raptor engines perform final decent burn 6 In situ propellant production for return voyage 7 Ship flies back to Earth Returns for relaunch 12,756km Diameter 6,792km -88C to 58C Temp. -140C to 30C 100kg Gravity force 38kg 24 hours Day 24hrs 40min 148.9m km2 Land 144.8m km2 7 billion Population 0 (tbc) Raptors: Outer engines fixed. Centre cluster moves for steering 21 engines 14 engines 7 engines EARTH Plan MARS Rocket booster accelerates ship to 8,650 km/h at separation Gross lift-off mass: 10,500 tonnes Sources: SpaceX, wire agencies