Draw a simple oval for the helmet
Add a smaller oval inside for the visor
Sketch the astronaut’s body as a rounded rectangle below the helmet
Draw the shoulders as curved lines connecting the helmet and body
Add two arms extending from the sides
Draw the hands as simple mitten shapes
Sketch two legs extending downward
Add boots at the ends of the legs
Draw a backpack shape on the back
Add details like suit seams, buttons, and straps
Outline the drawing with darker lines
Erase extra sketch marks
Color the suit white or light gray
Color the visor dark blue or black
Add small shadows and highlights if desired