[meteorite-list] Last asteroid lecture in the LPL Lecture Series

Hill, Dolores - (dhill1) dhill1 at arizona.edu
Wed Nov 8 19:25:44 EST 2023


Greetings Meteorite Friends!

Have you wondered what is next for the OSIRIS-REx spacecraft after delivering its precious sample of asteroid Bennu? Join us Wednesday, Nov. 15 for the upcoming presentation by Dr. Daniella DellaGiustina to learn about the extended mission known as OSIRIS-APEX! (Great doorprizes will be on hand for those who attend in person).

Also, for those in the Washington, D.C. area, note that the Smithsonian Institution just unveiled a new OSIRIS-REx exhibit that includes a sample of asteroid Bennu!


Here is another in the 2023 series of Lunar & Planetary Laboratory Evening Lectures at the University of Arizona in Tucson:

LPL Evening Lecture

Wednesday, Nov. 15, 2023

7:00p.m. (Arizona)

Kuiper 308 or Zoom webinar<https://bit.ly/LectureDaniDellaGiustina11152023>



Dr. Daniella DellaGiustina

Assistant Professor, Lunar and Planetary Laboratory

Exploring Hazardous Asteroids with the OSIRIS Spacecraft

The Origins, Spectral Interpretation, Resource Identification, and Security-Regolith Explorer (OSIRIS-REx) spacecraft mission characterized and collected a sample from asteroid (101955) Bennu. After the OSIRIS-REx Sample Return Capsule is released to Earth's surface in 2023, the spacecraft will divert into a new orbit that encounters asteroid (99942) Apophis in 2029, enabling a second mission with the same unique capabilities: OSIRIS–Apophis Explorer (APEX). On April 13, 2029, the 340-m-diameter Apophis flies within ~32,000 km of Earth's surface, <1/10th the lunar distance. Apophis will be the largest object to approach Earth this closely in recorded history. This rare planetary encounter will alter Apophis' orbit, subject it to tidal forces that change its spin state and may seismically disturb its surface. APEX will distantly observe Apophis during its Earth encounter and capture its evolution in real-time, revealing the consequences of an asteroid undergoing tidal disturbance by a major planet. The spacecraft's instrument suite will subsequently provide high-resolution data of a "stony" asteroid—advancing knowledge of these objects and their connection to meteorites. Near the mission's end, APEX will perform Regolith Excavation by S/C Thrusters; a technique demonstrated at Bennu. Observations during and after excavation will provide insight into the material properties of stony asteroids. Furthermore, Apophis' material and structure have critical implications for planetary defense.

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This event is free and open to the public.

All lectures will take place in the University of Arizona Kuiper Space Sciences Lecture Hall room 308 and livestream via Zoom<https://bit.ly/LectureDaniDellaGiustina11152023>. The building is located at 1629 E. University Blvd. Doors open at 6:30 p.m. Parking in university surface parking lots is free after 5 p.m. Please be careful not to park in service or reserved spaces. Parking in the Cherry Avenue Garage is available after 5 p.m. at a cost of $1.00 per hour.


Dolores Hill
Sr. Research Specialist
Lunar & Planetary Laboratory
Kuiper Space Sciences Bldg. #92
The University of Arizona
1629 E. University Blvd.
Tucson, AZ 85721
http://www.lpl.arizona.edu/

LPL Laboratory Safety Officer
Meteorite Collection Manager
LPL Outreach Coordinator
OSIRIS-REx sample analysis team
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