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SUMMARY:Meteorites and impact processes: from planetary seismology to plan
 etary defense
DTSTART:20260423T123000Z
DTEND:20260423T133000Z
DTSTAMP:20260419T120800Z
UID:indico-event-3024@indico.obspm.fr
DESCRIPTION:Speakers: Marouchka Froment (Institut de Physique du Globe de 
 Paris)\n\nSeismology provides a high-precision method for constraining the
  internal structure of planetary bodies. Its efficiency has been demonstra
 ted on Earth\, the Moon\, and Mars\, with Venus\, Titan and asteroids as t
 he next mission targets. In the context of planetary seismology\, meteorit
 e impacts constitute a key source of seismic activity. Characterizing thei
 r associated signals not only refines our interpretation of seismic record
 ings\, but also improves our understanding of the impact cratering process
 es themselves.\nIn this talk\, I will describe the multiple ways in which 
 impact science contributes to the exploration of the Solar System. I will 
 show how impacts provided constraints on the structure of the Martian crus
 t and lower atmosphere in the context of the InSight mission\, and how the
 y can support the search for water ice on the Moon by combining seismic me
 asurements near the South Pole with telescopic observation of Lunar Impact
  Flashes (LIFs). I will also discuss the importance of theoretical and num
 erical modeling of impact processes for the precise interpretation of thei
 r signals.\nFinally\, I will present current challenges in impact science\
 , including the complexity of modeling regolith materials in low-gravity e
 nvironments such as asteroids\, and the need for improved physical underst
 anding of impact processes in the context of planetary defense.\n\nhttps:/
 /indico.obspm.fr/event/3024/
LOCATION:DENISSE (PARIS)
URL:https://indico.obspm.fr/event/3024/
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