Leaving Earth Today
Space elevators anchored to the equator, or mass drivers (electromagnetic "rail guns"), are potential solutions to bypass rocket limitations. The Logistics of Survival
Leaving Earth requires establishing self-sufficiency in space, requiring a massive logistical overhaul: Leaving Earth | MARS: How to Get to Mars
Seeking new resources (e.g., Helium-3 from gas giants, water from icy moons) to sustain a growing civilization. Leaving Earth
Addressing, or fleeing from, irreversible environmental degradation, as discussed in.
While rockets are our current standard, future travel might utilize technologies like the Alcubierre warp drive to warp space-time. Space elevators anchored to the equator, or mass
Leaving Earth involves overcoming massive obstacles, primarily the "gravity well" that makes launching heavy payloads expensive and difficult.
The inherent drive to explore, with a focus on long-term colonization of Mars. The Technological Hurdles While rockets are our current standard, future travel
While Earth remains our only home, scientists and experts discuss several motivations for becoming an interplanetary species: