1: "Elon Musk believes Mars will be colonized by 2050."

2: "SpaceX aims to make space travel as common as air travel."

3: "Reusable rockets are key to Musk's vision of affordable space exploration."

4: "Starship, SpaceX's fully reusable spacecraft, will make Mars trips possible."

5: "Musk envisions humans becoming a multiplanetary species."

6: "SpaceX plans to send a crewed mission to Mars by 2026."

7: "Musk's vision includes establishing a self-sustaining city on Mars."

8: "Space travel could revolutionize industries like tourism and manufacturing."

9: "Musk's bold prediction is shaping the future of space exploration."