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Not all stars enjoy just wandering around, orbiting the galactic center with all the other stars. Some stars go rogue, crossing the Milky Way with significant force. It is a runaway star, and we can trace its trajectory to understand the violent events that could occur in the Universe. One such star, and one of the more famous ones, is Zeta Ophiuchi. Located about 440 light-years from Earth in the equatorial constellation Ophiuchus, it is also one of the strangest stars in the sky. Not only is it incredibly fast, at about 30 to 40 kilometers (roughly 20 to 25 miles) per second, but it’s a strange type of star to see roaring in space. Zeta Ophiuchi is the main sequence star; that is, one that still combines hydrogen into helium in its core. And it’s a hot, massive O-type star: about 20 times the mass of the Sun, glowing blue with intense heat. Such stars also have relatively short lives; Zeta Ophiuchi is about half way past the main sequence’s projected age of 8 million years. Tha

Deep in the Milky Way, roughly 22,000 light-years from Earth, a star unlike any other roars with a magnetic force that beats anything physicists have ever seen. With 1.6 billion Tesla, a pulsar called Swift J0243.6+6124 broke the previous record of around 1 billion Tesla, found in the vicinity of pulsars GRO J1008-57 and 1A 0535+262. For a little context, your average new fridge magnet comes in at around 0.001 Tesla. More powerful MRI machines manage to reach around 3 Tesla. A few years ago, engineers were credited with hitting the semi-respectable 1,200 Tesla, keeping it in a flash of just 100 microseconds. So it makes sense that 1.6 billion Tesla would demand some truly amazing physics. The kind that can only be achieved by massive objects crammed into impossible volumes and spinning at incredible speeds, fast enough to accelerate electrons to ridiculous speeds. Swift J0243.6+6124 is already considered a noteworthy star. A type of super-compact cosmic heavyweight known as a pulsar