英文關鍵字
abstract
astronomy
background
black
blackhole
blue
continuum
cosmos
cyber
digital
energy
fantasy
fiction
futuristic
galaxy
hole
hyperspace
illustration
interstellar
journey
light
lightspeed
magenta
matrix
outer
portal
purple
science
space
speed
star
starfield
technology
teleport
time
travel
tunnel
universe
vortex
warp
wormhole