colorful cartoonstyle rockets surrounded planets stars, whimsical outer space exploration theme

colorful cartoon rockets planets stars whimsical exploration theme handdrawn vintage illustrations playful concept isolated variety diversity spacecraft motif outer space universe cosmos adventure science technology children education creativity fantasy imagination stories comics bright red yellow green blue orange purple teal vector drawing artistic kids fun cheerful spaceship launch intergalactic sky galactic doodle cosmic astronomy creative childlike joy journey graphics style surrounded hand drawn travel white background rocket designs signifies