STEM Challenges
Explore fun and educational challenges across math, science, engineering, and coding!
Showing 6 of 121 challenges (filtered)
Structure of the Milky Way
Space ExplorerWe live inside a vast barred spiral galaxy containing hundreds of billions of stars. But because we are embedded inside it, mapping its true shape has...
Hawking Radiation and Black Hole Mysteries
Space ExplorerBlack holes are not just objects — they are windows into the deepest mysteries of physics, where quantum mechanics and gravity collide. Explore Stephe...
Observing Black Holes
Space ExplorerYou cannot photograph a black hole directly — no light escapes. But clever scientists have found brilliant ways to detect them using X-rays, gravitati...
Stellar Black Holes
Space ExplorerWhen the most massive stellar cores collapse, not even neutrons can stop the fall — and a black hole is born. A region of space where gravity is so ex...
Pulsars and Magnetars
Space ExplorerSome neutron stars beam radiation like cosmic lighthouses, flashing with clock-like precision. Others unleash more energy in a fraction of a second th...
Neutron Stars
Space ExplorerWhen the most massive stars die, they leave behind an object so extreme that it defies everyday imagination — a neutron star. Pack more than the mass ...