Fun: 8 unique facts for each planet in our solar system. This poster was developed in the USA based on information provided by the National Aeronautics and Space Administration (NASA). Printed on a glossy vinyl banner that is flexible, durable, waterproof, and may be used indoors or outdoors. This poster is push pin ready. You may use thumb tacks and push pins without concern that the banner will rip. The images of the sun and planets were obtained from NASA. Check it out - this poster includes at least one unique fact about each planet. Did you know that Saturn has more moons than Jupiter, or that Uranus and Venus rotate backwards? Now you do.