-I wonder if I could squirt concentric circles of paint onto a rotating disc like an old scratched record and drag feathers or pine needles through it to create dimensionality? Might be fun to give the preschoolers a chance to experiment with.
Bullseye by Australian photographer Lincoln Harrison captures long exposures of gorgeous star trails in the night sky above the Australian outback. He describes the grueling (and freezing) process of capturing the photos in the Daily Mail.
Some fascinating images. Whirl of Stars - Amazing sky images from Australia-based photographer Lincoln Harrison. In Harrison's photos, the rotation of the Earth makes the stars appear as if they're traveling across the sky.