機器
aerospace
antenna
antennas
astronomy
background
camera
closeup
communication
construction
cosmos
data
design
earth
energy
equipment
exploration
flight
fly
global
information
international
isolated
miniature
model
network
orbit
panel
planet
satellite
science
ship
shuttle
signal
solar
solar energy
solar panels
space
spaceship
star
station
surveillance
system
technology
telecommunication
telescope
translation
universe
white
world