English Spaceflight Cited by user Drbogdan on 06 Dec 2022 Spaceflight (or space flight) is an application of astronautics to fly spacecraft into or through outer space, either with or without humans on board.
English Interstellar travel Cited by user Drbogdan on 06 Dec 2022 Interstellar travel is the hypothetical travel of spacecraft from one star system, solitary star, or planetary system to another.
English Dynamic soaring Cited by user Drbogdan on 06 Dec 2022 Dynamic soaring is a flying technique used to gain energy by repeatedly crossing the boundary between air masses of different velocity.