"Planet" by "Quaternius"
is licenced under CC0 1.0

"Astronaut" by "Poly by Google"
is licenced under CC-BY 3.0

"Radio" by "Quaternius"
is licenced under CC0 1.0

"Shield" by "Quaternius"
is licenced under CC0 1.0

"Spaceship" by "Liz Reddington"
is licenced under CC-BY 3.0

"Alien" by "Poly by Google"
is licenced under CC-BY 3.0

"Space probe" by "Poly by Google"
is licenced under CC-BY 3.0

"Robot" by "Poly by Google"
is licenced under CC-BY 3.0

"Comet" by "Poly by Google"
is licenced under CC-BY 3.0

"Star" by "Poly by Google"
is licenced under CC-BY 3.0

"Cosmic Person" by "Polygonal Mind"
is licenced under CC0 1.0

"Teleporter Base" by "Quaternius"
is licenced under CC0 1.0

"Drone" by "Silly Fear"
is licenced under CC-BY 3.0

"Satellite" by "Poly by Google"
is licenced under CC-BY 3.0

"Telescope" by "Don Carson"
is licenced under CC-BY 3.0

"Space engine" by "Poly by Google"
is licenced under CC-BY 3.0

"Android Robot" by "Anonymous"
is licenced under CC-BY 3.0

"Asteroid" by "J-Toastie"
is licenced under CC-BY 3.0

"The portal door" by "Dying Yoda"
is licenced under CC-BY 3.0

"Nintendo blaster" by "Alexander Brodin"
is licenced under CC-BY 3.0

"Laser" by "Pichuliru"
is licenced under CC0 1.0

"Biometric Scanner" by "Wesley Thompson"
is licenced under CC-BY 3.0

"Spacecraft Speeder" by "Kenney"
is licenced under CC0 1.0

"Beacon" by "sugamo"
is licenced under CC-BY 3.0

"Mars Exploration Rover" by "Brian Xu"
is licenced under CC-BY 3.0