Solar sail is a photo-sensitive sheet kilometers across which uses the radiation pressure of starlight to propel a spaceship.
Space elevator is a mechanical construct that allows a vessel to travel along a cable from Earth into space, escaping the atmosphere without extreme propulsion.
Human Mars mission is when humans fly to Mars.
A lunar outpost is a station on the surface of the moon that houses humans or robots on a permament basis.
Space tourism is travel in space for recreational or business perposes.
Commercial spaceflight is flight above 100 km (62 mi) Earth altitude conducted by and paid for by an entity other than a government agency.
Embodied avatars are remotely controlled androids or robotic human surrogates, directly connected to the brain of the host.
Swarm robots are a group of simple robots which interact with each other and the environment to collectivly accomplish tasks.
The interplanetary internet is a data network between planets that functions on new protocols to account for interstellar distances.