A supposed “planet nine” that lies hidden at the edge of our solar system could actually be something else entirely, according to scientists. The unexplained movement of objects at the edge of our solar system has led some to propose that they are being influenced by another world, hidden in the dark distance of our planetary neighbourhood, that they have referred to as planet nine. Objects at the far reaches of the solar system behave as if they are being pulled around by an object that we cannot see, which is probably another planet, they suggest. But a new study by researchers Harsh Mathur, a professor of physics at Case Western Reserve University, and Katherine Brown, an associate professor of physics at Hamilton College, say that those movements are instead the result of a modified law of gravity. The scientists plotted what would happen if the objects were being governed by a theory known as Modified Newtonian Dynamics or MOND. That suggests that Newton’s usual gravity only works up to a point – that in the outer regions of galaxies, for instance, gravity behaves in unusual ways. They found that the data lined up, and applying the MOND theory to the existing observations seemed to predict them exactly. “The alignment was striking,” said Professor Mathur. They note that the findings do not necessarily rule out planet nine – or another explanation for what is going on. Some researchers have suggested other explanations for what the objects could be, for instance, while others have suggested that the claimed effect is just the result of when the distant objects tend to be observed. “Regardless of the outcome, this work highlights the potential for the outer solar system to serve as a laboratory for testing gravity and studying fundamental problems of physics,” said Professor Brown. The findings are reported in a paper, ‘Modified Newtonian Dynamics as an Alternative to the Planet Nine Hypothesis’, published in The Astronomical Journal. Read More Watch live: Amazon launches first internet satellites aiming to rival Starlink Stargazing in October: A sleeping giant Prada to design Nasa’s next-gen space suits for Artemis astronauts

A campus security guard at Edward Waters University, a historically Black college, is speaking out after being credited as a “hero” for confronting the Jacksonville gunman on campus. Lieutenant Antonio Bailey approached the vehicle of the suspected gunman on Saturday after several students alerted him to the young white man who was wearing a tactical vest, gloves and a hat when he arrived on the campus. Though the students did not see a weapon, they became suspicious leading Mr Bailey to approach the gunman’s vehicle. As soon as the gunman, identified as 21-year-old Ryan Palmeter, saw Mr Bailey he sped away which led Mr Bailey to call the Jacksonville Sheriff’s Office to report the vehicle. Zachary Faison, the president of Edward Waters University called Mr Bailey “our hero” for acting immediately. Mr Faison said that the gunman sped off campus when he saw Mr Bailey and hit a curb, narrowly avoiding a brick column. At a news conference on Monday, Mr Bailey said: “I’m no hero. If anything, it’s the students who alerted me so I could do my job.” Just minutes later, the gunman drove to a Dollar General store where he shot and killed three Black people: Angela Michelle Carr, 52, AJ Laguerre, 19, and Jerrald Gallion, 29. “It’s not just on a whim that he chose to come to Florida’s first historically Black college or university,” Mr Faison said. Directing his comments toward Mr Bailey, Mr Faison said: “Your actions are beyond commendable and they will resonate not just for today but for generations to come.” “We have attempted to create a culture of caring among our student body that champions, ‘See something, say something,’ And our students’ acceptance and integration of that culture into their university experience surely saved countless lives,” he added. Mr Bailey said he relied on his training to respond to the student’s concerns. Though he did not see a weapon on the gunman at the time, he felt strange about the incident. Jacksonville Sheriff TK Waters said that investigators believe the shooter specifically targeted the store and that he does not believe Edward Waters University was the intended location for the rampage. Authorities said the gunman was armed with an AR-15-style rifle and Glock handgun fully prepared to carry out an attack on Black people. Mr Waters said a journal from the gunman was “the diary of a madman.” “I don’t understand his rhyme or reason for why he did what he did and the way that he did it,” Mr Waters said. “I know that for a fact he was targeting Black people. Russ Bynum and Valerie Gonzalez from The Associated Press contributed to this report Read More A white gunman killed three Black shoppers at Dollar General. Then police uncovered ‘the diary of a madman’ Why stormy weather this week could make or break Ron DeSantis A high school graduate, a devoted father and hardworking mother: The Jacksonville shooting victims

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NEW YORK--(BUSINESS WIRE)--Jul 25, 2023--

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