STEM Challenges
Explore fun and educational challenges across math, science, engineering, and coding!
Showing 6 of 156 challenges (filtered)
Radio Galaxies and Jets
Space ExplorerSome galaxies blast out streams of plasma at nearly the speed of light, inflating enormous bubbles millions of light-years across. Explore the dramati...
Quasars
Space ExplorerQuasars are the most luminous sustained objects in the universe — so bright they outshine entire galaxies, yet powered by something far smaller than a...
Active Galactic Nuclei
Space ExplorerMost galaxies have a sleeping giant at their core — a supermassive black hole. But when one wakes up and begins feeding, it becomes an Active Galactic...
Measuring Galaxy Distances
Space ExplorerHow do astronomers know how far away a galaxy billions of light-years away really is? Discover the cosmic distance ladder — the brilliant chain of tec...
Dwarf Galaxies and Satellite Systems
Space ExplorerThe Milky Way is not alone — it is surrounded by a whole family of smaller satellite galaxies. Meet our nearest galactic neighbors, including the Mage...
Galaxy Interactions and Mergers
Space ExplorerGalaxies are not lonely islands drifting alone in space — they crash into each other in slow-motion cosmic collisions that reshape everything. Explore...