astronaut on mars and alien greeting each other, two spaceships flying. space exploration, intergalactic friendship

vector illustration astronaut alien mars spaceship space intergalactic friendship exploration stars spacetravel planets cartoon extraterrestrial cosmic sciencefiction outerspace spacecraft flyingsaucers galaxy redplanet encounter cosmonaut meeting friendly character otherworldly universe discovery future interplanetary adventure aliens contact hello martian greenalien starshine nightsky communication astronomy spacemission interstellar spacesuit spaceadventure spacestation science technology