OSIRIS-REx

Bennu's surface is rockier than expected, creating challenges for the team whose mission is to scoop up a sample of pristine material and return it to Earth in 2023. (Image: NASA/Goddard/UA)
March 19, 2019
The OSIRIS-REx spacecraft's first close-up observations of asteroid Bennu reveal new details that pose a challenge to the mission's objective of returning a sample to Earth.
(Image: Heather Roper/University of Arizona)
Dec. 31, 2018
On December 31, NASA's OSIRIS-REx spacecraft entered into orbit around the asteroid Bennu, and made Bennu the smallest object ever to be orbited by a spacecraft.
This mosaic image of asteroid Bennu is composed of 12 PolyCam images collected on Dec. 2 by the OSIRIS-REx spacecraft from a range of 15 miles (24 km). (Image: NASA/Goddard/University of Arizona)
Dec. 10, 2018
Observations made by the spacecraft during its approach of Bennu reveal that the asteroid interacted with water in its early history and is an excellent specimen for the mission, which is slated to return a sample of surface material to Earth in 2023.
Keara Burke is an image processing intern on the UA-led OSIRIS-REx NASA mission.
Dec. 10, 2018
Systems engineering and mathematics double major Keara Burke is helping NASA's OSIRIS-REx spacecraft find the perfect place to collect samples on the asteroid Bennu.
This image of Bennu was taken by the OSIRIS-REx spacecraft from a distance of around 50 miles (80 km). (Photo: NASA/Goddard/University of Arizona)
Dec. 4, 2018
Since its launch on Sept. 8, 2016, OSIRIS-REx has spent two years catching up with asteroid Bennu on its orbit around the sun. The spacecraft's arrival at Bennu on Dec. 3 marks a major milestone, with the mission transitioning from flying toward the asteroid to orbiting around it.
Nov. 28, 2018
The UA-led OSIRIS-REx mission kicks into high gear while the spacecraft is on its final approach, closing in on asteroid Bennu and scheduled for arrival on Dec. 3. UA mission experts explain what comes next.
Nov. 14, 2018
To celebrate the science and stories of space, UA science and humanities professors will join local musicians, artists and guests to present BENNUVAL!, a family friendly variety show.
Oct. 30, 2018
A top-10 ranking by the UA space science program led a strong overall showing by the university in the U.S. News & World Report 2019 Best Global Universities rankings.
PolyCam, the largest of three cameras on the OSIRIS-REx mission, helped spot the asteroid Bennu from millions of miles away and will also serve as a microscope to explore the surface of the asteroid as the spacecraft gets closer. (Photo: Symeon Platts/UA)
Aug. 28, 2018
Using its multipurpose camera designed at the UA, NASA's OSIRIS-REx spacecraft spied its target asteroid for the first time from about 1.4 million miles away. UANews spoke with three OSIRIS-REx mission scientists who planned the first-light image of Bennu. The mission is well on track, and the spacecraft is expected to reach the asteroid Bennu in December.

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