Black and white sticker illustration in bold outline style, three classic gray aliens with oversized bald heads and large almond-shaped black eyes practicing yoga on the lunar surface, center alien in lotus position floating slightly above the ground with energy waves, left alien in downward dog pose with long limbs stretched, right alien in tree pose balancing on one foot on a mushroom, giant cratered full moon glowing behind them, tall curvy spotted mushrooms in zen arrangement, swirling energy lines and chakra symbols, smooth pebbles and small mushrooms on cratered moon ground, starry night sky with sparkle stars, thick clean black linework, high contrast, no shading, sticker die-cut white border, flat 2D vector style, whimsical cosmic zen vibe.