space travel

noun 0.723

space flight

noun 0.720

seafaring

noun 0.678

space exploration

noun 0.671

spaceship

noun 0.661

spacecraft

noun 0.649

space research

noun 0.616

space vehicle

noun 0.614

space science

noun 0.613

spaceport

noun 0.610

space mission

noun 0.606

astronautics

noun 0.604

spaceman

noun 0.602

spaceplane

noun 0.598

space age

noun 0.595

space cadet

noun 0.594

deep space

noun 0.590

space factor

noun 0.587

interplanetary space

noun 0.584

outer space

noun 0.576

space technology

noun 0.574

space medicine

noun 0.573

voyaging

noun 0.571

starfighter

noun 0.571

spaciness

noun 0.565

wayfaring

noun 0.560

space motion

noun 0.559

seafarer

noun 0.556

space opera

noun 0.556

aerospace

noun 0.556

astronaut

noun 0.555

starship

noun 0.554

space tourist

noun 0.552

space race

noun 0.549

space communication

noun 0.545

interstellar space

noun 0.544

space

noun 0.532

hyperspace

noun 0.530

science fantasy

noun 0.528

sailing

noun 0.527

faring

noun 0.526

space shuttle

noun 0.526

function space

noun 0.524

space navigation

noun 0.523

space debris

noun 0.523

cosmonaut

noun 0.522

rocket ship

noun 0.520

spacetime

noun 0.518

science fiction

noun 0.517

starscape

noun 0.517

space velocity

noun 0.513

space walk

noun 0.513

voyager

noun 0.510

buccaneering

noun 0.510

covering space

noun 0.509

space junk

noun 0.508

ferrying

noun 0.506

expeditionary

noun 0.506

rocketry

noun 0.505

n space

noun 0.504

mariner

noun 0.504

scientifiction

noun 0.504

space environment

noun 0.503

planetary science

noun 0.500