The planet itself is one of the most puffy and inflated planets in the known universe, with the density of a Styrofoam ball — the kind that students use to simulate planetary bodies in ...

Microscopic Polystyrene Balls - now Jet-propelled! J. Howse, R. Jones, A. Ryan ... A new study finds that diamonds probably don't crystallize in the atmospheres of planets such as Uranus and ...

A planet with tiger stripes started to take shape in the hands of Ruby Kelly, 9, as she painted orange and black glitter paint on a white styrofoam ball. In the galaxy of her imagination, a tiger ...