All these planet and space icon use flat and modern style. The icon look simple with outline and have 23 different item including: planet, earth, moon, mars, jupiter, saturn, uranus, neptune, 

Vector EPS | Ai Illustrator | PNG | SVG 

mercure, satellite, UFO, sun, rocket, astronaut and many more. You will get all the icon in vector:

File included:

    1 EPS 10 file with all icon on it.

    1 AI file with all icon on it.

    23 PNG file with transparent background and 1000x1000px size.

    23 SVG file.

    1 TXT file as documentation.