Tap . Tap . Tap the three lines and select the largest pen. Tap . Color the background black. Tap . Add the sun emoji. Enlarge the sun. Tap style. Select the style in the top right hand corner. Add the earth emoji. Tap . Show me how the earth orbits around the sun, and how the earth rotates. Explain your thinking. Use the words orbits and rotates. Tap . Tap .