The Lighthouse Nebula (IGR J11014-6103) is powered by a runaway pulsar moving at a velocity exceeding 1,000 km/s. Its X-ray jet is the largest ever observed inside the Milky Way, spreading out over 37 lightyears. The neutron star sprang some 10,000 to 20,000 years ago from a supernova explosion, leaving behind the remnant MSH 11-61A, and trailing ...