Astronomy and Space Poster Set When I saw these watercolor planets, I knew they belonged in a classroom, just like yours! So, I used them to create these stunning Astronomy and Space Posters that will not only brighten your walls, but your days as well. Use just a few to add a pop of color here and there, or all 16 different images and create a dramatic gallery display (See PREVIEW for examples) in your room.The Astronomy and Space Posters have different size and shape options as well – you can