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NASA's OSIRIS-REx mission and the asteroid Bennu have had a date planned for two years, and just after noon ET today, they finally got to meet face to face. OSIRIS-REx fired its thrusters for a small burn, putting it about 4.3 miles from Bennu, marking the end of its journey to the asteroid.The mission -- which stands for Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer -- is NASA's first asteroid sample return mission. It launched in September 2016 and will spend two years up close and personal with Bennu. First images of the asteroid from the spacecraft's perspective have appeared as it got closer and closer.On Tuesday, the spacecraft will fly within 5 miles of Bennu, which will help design future orbits and map the surface.Over the next year, OSIRIS-REx will survey the asteroid using five scientific instruments on board the spacecraft. These instruments will help it determine a safe location from which to collect a small sample from Bennu's surface that will be returned to Earth in September 2023."Bennu's low gravity provides a unique challenge for the mission," said Rich Burns, OSIRIS-REx project manager at NASA's Goddard Space Flight Center. "At roughly 0.3 mile in diameter, Bennu will be the smallest object that any spacecraft has ever orbited."The sample from Bennu, a near-Earth asteroid, could help scientists understand not only more about asteroids that could impact Earth but about how planets formed and life began.OSIRIS-REx has a camera suite, a laser altimeter for 3D mapping, a thermal emission spectrometer to take temperature and mineral content and spectrometers to measure X-rays, nearly infrared and visible light.An arm mechanism called TAGSAM will reach out to collect the sample from Bennu's surface, making contact with the asteroid for five seconds in July 2020. During this contact, the arm will use a nitrogen gas burst to stir up rock and other materials on the surface so it can capture them. There is enough nitrogen for three attempts if the first is unsuccessful.NASA said the estimated 2.1-ounce sample size equates to about 30 sugar packets worth of dirt and rocks.The arm has a full range of motion, with joints capable of movement comparable to shoulder, elbow and wrist joints. It was "flexed" in space for the first time on November 14."The TAGSAM exercise is an important milestone, as the prime objective of the OSIRIS-REx mission is to return a sample of Bennu to Earth," said Dante Lauretta, OSIRIS-REx principal investigator at the University of Arizona, Tucson. "This successful test shows that, when the time comes, TAGSAM is ready to reach out and tag the asteroid."In 2021, it will be time for the spacecraft to essentially turn around and begin its two-year journey home. The sample will be packed into a capsule that will drop in the Utah desert in 2023.For two years after the return, the sample will be cataloged and analyzed. Afterward, 75% of the returned sample will remain at NASA's Johnson Space Flight Center so it can be used for more research by scientists from around the world.Why did NASA select Bennu out of the 780,000 known asteroids in our solar system?It was discovered in 1999, and scientists have been studying it ever since. The asteroid fits a number of criteria that make it intriguing and convenient.Bennu is relatively close to Earth, and its orbit even crosses that of our planet, making a close approach every six years. Though small asteroids can rotate very quickly, Bennu has a diameter just a bit bigger than the height of the Empire State Building and rotates relatively slowly, each 4.3 hours. This means OSIRIS-REx can match its velocity and touch down briefly.The asteroid could pass close to Earth, closer than the moon, in 2135, with even closer approaches possible in 2175 and 2195. A direct hit is unlikely, but the data gathered during this mission can help determine the best ways to deflect near-Earth asteroids.The asteroid is also old and well-preserved, full of valuable materials that may even contain clues about how life began. Bennu is essentially a leftover from the formation of our solar system billions of years ago, although some of the minerals inside it could be even older.This carbon-rich asteroid could be full of organic molecules, metals, platinum and even water -- the essential ingredients for life. It's because of objects like Bennu that these resources were delivered to Earth during its formation.Asteroids could even serve as fuel stations for robotic and human missions if we can unlock the hydrogen and oxygen inside them, NASA said.Bennu probably broke off of a larger asteroid in the asteroid belt between Mars and Jupiter a couple billion years ago. This knocked it through space until an orbit close to Earth locked it in place. And Bennu is believed to be a grouping of rocks held together by gravity rather than a single object.But its orbit drifts 0.18 miles each year toward the sun, and OSIRIS-REx will enable researchers to understand why and to predict Bennu's movements. This could also explain how it ended up as a near-Earth asteroid."The story of this asteroid is the story of the solar system," said Bashar Rizk, instrument scientist for OSIRIS-REx. "When we understand Bennu, we will understand something fundamental about our solar system."The-CNN-Wire 5356

More than a quarter of a billion dollars from the omnibus spending bill is earmarked for border fencing in San Diego, but don’t expect it to look like one of the border wall prototypes in Otay Mesa.A provision in the bill makes the funding only available for “operationally effective” fence designs from before March 2017The eight border wall prototypes the President visited earlier this month are ineligible since they were completed in fall of 2017.Border Patrol says the funding will be used to replace 14 miles of existing and secondary fencing in the San Diego sector.It’s a broken promise for Trump supporters like Ben Bergquam who says it’s disappointing Trump is not funding the one thing a majority of his voters wanted to see.“We have the House, the Senate and the Presidency; yet we don’t have the courage to say no," said Bergquam, "you don’t have too many giveaways to screw up something that big.”.6 billion in total is going to border protection measures across the country from the bill. 1029

MILWAUKEE — Protesters marched the 38 miles between Kenosha, Wisconsin, and Milwaukee on Tuesday to call for justice for Jacob Blake and encourage early voting.The Jacob Blake “Rally for Justice” began just after midnight in Kenosha, and the marchers wound its way through the streets of southeastern Wisconsin more than 30 miles to downtown Milwaukee nearly 18 hours later.Organizers hope the energy from the march will carry voters to the ballot boxes this month, as early voting gets underway in Wisconsin.Tanya McClean, the executive director of Leaders of Kenosha, led the group on the march.“We’re going to continue fighting for Jacob and all the families that have lost love ones to police brutality,” McClean said.Jacob Blake’s uncle says the support for his nephew is appreciated.“These people walked 38 miles baby, that’s commitment for justice for little Jake,” Justin Blake said.Justin Blake also demanded that Kenosha Police Officer Rusten Sheskey be fired, indicted, and convicted. Sheskey shot Jacob Blake seven times in the back in August, leaving him paralyzed.Justin Blake said the family would ask local elected officials to make a pledge against systemic racism.“We’re going to ask you to sign a document to tell us where you stand on the shooting that you saw and the whole world saw. So that people can vote consciously about where you stand on systemic racism” Justin Blake said.Justin Blake says his nephew remains paralyzed from the waist down in an Illinois rehabilitation center, working on his upper body strength.The investigation into the shooting has been handed over to an independent consultant. It’s unclear if any of the officers involved will be charged.This story was originally published by Tom Durian on WTMJ in Milwaukee. 1769

MORENO VALLEY, Calif. (KGTV) - Cal Fire and Riverside County Fire crews responded Friday to a wildfire threatening utility infrastructure in Moreno Valley. The first firefighters to reach the scene along Gilman Springs Road reported four spot fires approximately one mile apart and one acre each, Cal Fire tweeted. Within an hour, the so-called Jerry Fire spread to 500 acres with a rapid rate of spread and no containment.Multiple structures were threatened, said officials. Aerial video from the scene showed at least one structure engulfed in flames. Approximately 15 homes on Gilman Springs Road between Highway 60 and Jack Rabbit Trail were evacuated.There was no immediate word on the cause of the fire. About 3:30 p.m., winds in the area are 8 miles per hour and the temperatures are in the low 70s, according to 10News meterologist Angelica Campos. Humidity is at 54 percent.Images from today's #JerryFire in Moreno Valley. pic.twitter.com/gWeQ7Of9jZ— CAL FIRE Riverside (@CALFIRERRU) June 21, 2019 1014

NASHVILLE, Tenn. — Metro Police have identified the six officers who first responded to the scene of the downtown explosion Christmas morning. City officials say these officers showed up to a "shots fired" call on 2nd Avenue around 5:30 a.m. Upon arrival, an RV on the street played a recording and countdown, saying the vehicle contained a bomb and warning everyone to leave the area. The officers helped several people evacuate before the RV exploded shortly after, around 6:30 a.m."They immediately began knocking on doors, not knowing when the bomb would go off," Chief John Drake said at a press conference Saturday night. "They didn't think of themselves...they thought of the citizens of Nashville. They saved lives today, and their heroism should be noted." Officer Brenna HoseyOfficer James LuellenOfficer Michael SiposOfficer Amanda ToppingOfficer James WellsSergeant Timothy MillerMayor John Cooper commended the officers as well. "They took swift action, directed people away, even when their own lives were in peril. This is a year we understand what first responders mean to our community time and time again." 1132

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