Scientists finetune bennu hitting for mac#

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Scientists finetune bennu hitting for mac#

“Not only does this allow us to better understand Bennu’s future path and if it could ever be an impact threat to Earth, but it also allows us to test and improve the overall modeling techniques that we can use on all near-Earth asteroids. Scientists finetune bennu hitting earth Clipgrab for mac Goldfish aquarium water change Valor hirsch Vsco keys vs Let it snow lyrics Dracula resurrection macintosh. “The OSIRIS REx mission has provided exquisitely precise data on Bennu’s position and motion through space to a level never captured before on any asteroid,” said Lindley Johnson, NASA’s Planetary Defense Officer, during the teleconference. Its only rival in this category is asteroid 1950 DA, which is about twice Bennu’s size and has about a 0.17 chance of hitting Earth in the year 2880. But even on this day the chances of Bennu hitting are a low 0.037 percent. Bennu is on the list of potentially hazardous asteroids (PHA), and may catastrophically crash. Though the odds of Bennu hitting these keyholes are low, the new study still distinguishes the asteroid as one of the most dangerous objects in space. Like many conspiracy theories, this fear has some basis in fact. The data collected by NASAs OSIRIS-REx mission over two years allowed for precision tracking of Bennus movements through 2300, reducing the uncertainties scientists had about the asteroids future orbit.

That's how well we can constrain the position of Bennu.” The findings show Bennu has a 1 in 1,750 chance of impacting Earth through 2300 - higher than previously thought. That's the height of a basketball player.

“We measured the distance between the Earth and Bennu, which at times was as large as the distance between the Earth and the Sun, with a precision of two meters. “By tracking the spacecraft over two years of proximity operations, we obtained fantastic positional constraints on the position of Bennu,” Farnocchia said. What’s new: According to NASA, the chance of the Bennu asteroid hitting Earth between now and 2300 is about 1 in 1,750. Whereas scientists had previously identified 26 keyholes measuring over one kilometer (3,280 feet) that could send Bennu onto a collision course with Earth, the new study narrows the risk down to only two keyholes. OSIRIS REx has captured a range of observations during its voyage that the team used to “model the trajectory of Bennu to a level that was never tried before for any asteroid,” Farnocchia said.