Roll approximately 8 oz. fondant into a long rope 1/2 in. diameter. Cut rope into various lengths and join ends to form rings. Lightly brush backs of rings with brush dipped in water and position on cake for craters.
Tint remaining fondant light gray and cover cake to create a moon effect on surface; spray with Color Mist?!.
Insert dowel rod into cake where astronaut will be positioned. Cut cake board to fit bottom of bear cake; cover board with fondant; position bear cake on board.
Trim muzzle, left arm and right hand off bear. Cut a 4 1/2 in. length of dowel rod for left arm; insert into shoulder leaving approximately 2 1/2 in. exposed.
Ice face area smooth. Pipe tip 4 dot eyes and nose, tip 3 string mouth and dot pupils.
Outline helmet with tip 4; cover suit and helmet with tip 18 stars.
Overpipe right arm with tip 18 stars to build up. For extended arm, shape a 1 in. ball of fondant for hand and attach to a 3 in. length of lollipop stick. Insert hand on stick in arm, securing with additional fondant if needed.
Insert 2 in. long straw in hand to form opening for flag. Pipe-in hand with tip 6, outline fingers with tip 4.
Carefully twist and remove straw. Insert flag into opening in hand.
Note: Combine Christmas Red and Red-Red colors to achieve shade used.