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The researchers weren't necessarily looking for this neutron star. Rather, it was happenstance as they searched for gravitational waves."At Green Bank, we're trying to detect gravitational waves from pulsars," said Maura McLaughlin, study author and Eberly Distinguished Professor of physics and astronomy at West Virginia University. "In order to do that, we need to observe lots of millisecond pulsars, which are rapidly rotating neutron stars. This is not a gravitational wave detection paper but one of many important results which have arisen from our observations."They were able to measure its mass because of a white dwarf companion star that warped the space around both stars. This warping acted as a way to accelerate the pulsar's pulses through space. They could learn the mass of the white dwarf and neutron star this way through the "Shapiro Delay.""Neutron stars are as mysterious as they are fascinating," said Thankful Cromartie, a graduate student at the University of Virginia and Grote Reber pre-doctoral fellow at the National Radio Astronomy Observatory in Charlottesville, Virginia. "These city-sized objects are essentially ginormous atomic nuclei. They are so massive that their interiors take on weird properties. Finding the maximum mass that physics and nature will allow can teach us a great deal about this otherwise inaccessible realm in astrophysics."Due to their mysterious nature, astronomers still want to answer more questions about neutron stars and this unique one could help them. They want to know if crushed neutrons become a type of "superfluid," what the breakdown looks like and where the actual tipping point lies when gravity takes over."The orientation of this binary star system created a fantastic cosmic laboratory," said Scott Ransom, study co-author and an astronomer at the National Radio Astronomy Observatory. "Neutron stars have this tipping point where their interior densities get so extreme that the force of gravity overwhelms even the ability of neutrons to resist further collapse. Each 'most massive' neutron star we find brings us closer to identifying that tipping point and helping us to understand the physics of matter at these mind-boggling densities." 2221

The suspect was described as a white man in his 30s, 6 foot to 6 feet 1 inches tall, weighing 180 to 185 pounds with long brown hair and a goatee. He was wearing beige or white pants with a dark baggie coat and white shoes, Heims said.Anyone with information about this carjacking was asked to call Crime Stoppers at 888-580-8477. 330

The shaking was reported at 5:42 a.m., according to a computer-generated message from the U.S. Geological Survey.The epicenter of the quake was about 5 miles from Valencia, 9 miles from Stevenson Ranch and 10 miles from Santa Clarita, the USGS said. 249

The record opening and a strong second weekend stands as a watershed moment for Hollywood. With "Black Panther" shattering expectations and records, the film's success could impact change in Hollywood by encouraging more diverse casts, crews, and stories. 255

The shooting was not believed to be racially or religiously motivated, and officials said the incident may be linked to a domestic situation involving the shooter and his family. 178