Create a visually engaging coloring page for teens focusing on the event of dinosaur extinction. This scene should include various dinosaur species, highlighting their differences in size and form, all drawn in clean, minimalistic lines. The composition should center around a striking comet crossing the sky, symbolizing the catastrophic event. The layout should be simple, yet intriguing, focusing on fundamental shapes and lines to encourage artists to experiment with their color palette. This thought-provoking coloring page will encourage exploration of our natural history while providing a satisfying artistic activity. Parameters: --ar 17:22 --v 5.2 --style raw