Pulsars are super-dense stars that spin super fast. They shoot beams of electromagnetic radiation from their poles into space, kind of like a cosmic lighthouse. You can make a model of one using items you might already have at home. Here’s how! | National Science Foundation (NSF)

Scientists reached a new frontier in understanding pulsars, the dense, whirling remains of exploded stars. 💥 The NICER X-ray instrument on the International Space Station produced the 1st dependable measurements of both the mass and size of a pulsar, including a surface map. It turns out these cores of dead stars can be weirder than we thought. NICER was built and is operated out of Goddard. Read more: https://go.nasa.gov/2PIWwlg | NASA’s Goddard Space Flight Center