Idea of Astronaut Icon
This is a picture of an astronaut with a helmet on. you cannot see their face, but you can see their backpack and what appears to be jet engines on the bottom of it. the astronaut has a square on his suit.
This page contains the Astronaut vector icon, as well as variations of this icon in different visual styles, and related icons. All icons are in the flat vector style, however, differ by the line thickness, fill, and corner radius.