Astronomers once struggled to measure the true size of the universe. Then came the discovery of Type Ia supernovae — explosions so consistent in brightness they could serve as “standard candles.” By ...

Photoshop CS6 Extended tutorial showing how to make a planet and other celestial spheres caught at the instant it explodes into a supernova. Cracked Mud Texture: <a href=" Final close-up Image: <a ...