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Just a reminder that this is happening in ~50 minutes! Please show up a few minutes early for food.</div>
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Saverio</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Saverio Cambioni<br>
<b>Sent:</b> Tuesday, October 10, 2023 1:36 PM<br>
<b>To:</b> planetary <planetary@mit.edu>; baps@PCH.MIT.EDU <baps@PCH.MIT.EDU>; mitexoplanets <mitexoplanets@mit.edu><br>
<b>Cc:</b> Namya Baijal <namyabaijal@arizona.edu><br>
<b>Subject:</b> PLS 10/17 – Namya Baijal – Asteroid interiors & Psyche mission</font>
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Hello all,</div>
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We are excited to announce that <a href="https://www.lpl.arizona.edu/graduate/students/namya-baijal" data-auth="NotApplicable" title="https://www.lpl.arizona.edu/graduate/students/namya-baijal" id="LPNoLPOWALinkPreview_3" class="x_OWAAutoLink" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt">Namya
Baijal</a><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"> (University of Arizona) will be our planetary seminar speaker next week. <span class="x_elementToProof x_ContentPasted7" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">Namya's
research addresses the fundamental question of how collisions affect the evolution of planetary bodies.
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Her work is relevant to constraining the origin of asteroid (16) Psyche, </span></span></span></span><span class="x_ContentPasted2" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">the target of the
<a href="https://psyche.asu.edu/" data-auth="NotApplicable" title="https://psyche.asu.edu/" id="LPNoLPOWALinkPreview_4" class="x_OWAAutoLink">
NASA Psyche mission</a> launching October 12th (this week!). Namya is a student member of the Psyche mission team.</span></div>
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<span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"><span class="x_elementToProof x_ContentPasted7" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"><span class="x_ContentPasted8" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">Please
join us on Tuesday, October 17 @ 12:30 in 54-517 or on Zoom. </span></span></span></div>
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<span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"><span class="x_elementToProof x_ContentPasted7" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)"><span class="x_ContentPasted8" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">As
always, lunch will be provided (in-person only!) and we encourage attendees to arrive a bit early to get food.<br>
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<span class="x_ContentPasted9" style="">Namya will be on campus </span><span style="">from 12pm onwards next Monday (10/16) and all-day next Tuesday (10/17). I invite you to find a time to meet with her, particularly if you are interested in learning more about
seismic events on asteroids (</span><span class="x_ContentPasted5" style="display:inline!important"><b><i>asteroid-quakes!</i></b>) </span><span class="x_ContentPasted10" style="">and the geophysics on these fascinating small worlds. You can sign up for individual
meetings <a href="https://docs.google.com/spreadsheets/d/15_lQcfAJW4S4xmGqiYjvSl6kJIljP5PkNSubewI2zCc/edit?usp=sharing" data-auth="NotApplicable" title="https://docs.google.com/spreadsheets/d/15_lQcfAJW4S4xmGqiYjvSl6kJIljP5PkNSubewI2zCc/edit?usp=sharing" id="OWA887335b2-e6d2-f454-ff46-aa46f2888f41" class="x_OWAAutoLink">
here</a>.</span></div>
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You can find the talk title, abstract, and Zoom information below. We hope to see you there!<br>
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Cheers,</div>
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Saverio</div>
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<b>Talk title: </b> Collisional Modelling of Asteroids: Implications for (16) Psyche and other Large Asteroids
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<b>Talk abstract:</b> Understanding the collisional history of small bodies is key to determining their origin, interior structure, global geodesy, and surface degradation over time. Numerical simulations can be used as an effective tool to obtain unique information
about the composition and interior structure of major asteroids and, thus, their formation, composition, and evolution. In this talk, I will present simulation results from iSALE-2D and SPH-3D, which we use to simulate the formation of the largest impact craters
on two of the most massive asteroids in the Main Belt, (4) Vesta and (16) Psyche. We first assess their impact-seismological properties, assuming porous vs. nonporous interiors and show how porosity plays a key role in attenuating both the seismic wave speed
and magnitude. The interior properties govern the extent of expected surface degradation associated with major impact structures. I will comment on the implications of this work on the NASA Psyche mission and the extent to which surface observables can help
constrain the interior of this mysterious metal-rich asteroid.</div>
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Zoom: <a href="https://mit.zoom.us/j/92448700577" data-auth="NotApplicable" title="https://mit.zoom.us/j/92448700577" id="LPNoLPOWALinkPreview" class="x_OWAAutoLink">
https://mit.zoom.us/j/92448700577<br>
</a>Pw: 54100<br>
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