英文關鍵字
astronomy
atom
aura
background
beam
burst
cosmos
crossing
dizziness
dot
energy
explosion
fireworks
flight
fly
galaxy
halo
hole
hyperspace
laser
light
lightspeed
line
magnetic
optics
orbit
particle
passages
pulse
pulsing
radiate
ray
ring
ripple
scifi
space
speed
starburst
starfield
stripe
swirl
tech
time
travel
tunnel
universe
vortex
wind
wire
wormhole