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101955 Bennu (provisional designation 1999 RQ 36) is a carbonaceous asteroid in the Apollo group discovered by the LINEAR Project on 11 September 1999. It is a potentially hazardous object that is listed on the Sentry Risk Table and has the highest cumulative rating on the Palermo Technical Impact Hazard Scale. [9]
While researchers suspect that Bennu was too small to host water, the hydroxyl groups may have come from water present in its parent body before Bennu split off. [ 42 ] [ 43 ] OSIRIS-REx entered orbit around Bennu on 31 December 2018 at about 1.75 km (1.09 mi) to start its extensive remote mapping and sensing campaign for the selection of a ...
101955 Bennu: Orbiter/Sample Returner Successful 99942 Apophis: Orbiter/Regolith Disturber en route Successfully collected sample of Bennu on 20 October 2020 and returned the sample to Earth on 24 September 2023. For its extended mission called OSIRIS-APEX, the spacecraft is now en route to encounter Apophis on 8 April 2029. 13 Discovery 13 Lucy
During this “TAG event,” the spacecraft’s arm sank far deeper into the asteroid than expected, confirming that Bennu’s surface is incredibly weak. Now, scientists have used data from OSIRIS-REx to revisit the TAG event and better understand how Bennu’s loose upper layers are held together.
Bennu (/ ˈ b ɛ n uː /) [1] is an ancient Egyptian deity linked with the Sun, creation, and rebirth. He may have been the original inspiration for the phoenix legends that developed in Greek mythology .
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Three men still remain on federal death row after President Joe Biden issued sweeping commutations Monday to the sentences of 37 other prisoners who were awaiting execution.. Biden's decision is ...
TAGSAM is a robotic arm attached to the main body of the spacecraft that collects a sample from the asteroid, and puts the samples into the Earth return vehicle. [5] Bennu is about 500 meters in diameter and has very low gravity, so the arm must perform the collection in near zero gravity, yet still contend with some gravitational forces from the asteroid. [6]