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School of Earth and Planetary Sciences
राष्ट्रीय विज्ञान शिक्षा एवंअनुसंधान संस्थान
National Institute of Science Education and Research

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Coming Events

Laboratory investigations of stardust & other extraterrestrial materials

Date/Time
Thursday, May 19, 2022 - 10:00
Venue
Online via Zoom
Speaker
Dr. Manavi Jadhav
Affiliation
Assistant Professor, Department of Physics, University of Louisiana Lafayette, USA
Title

Laboratory investigations of stardust & other extraterrestrial materials

Abstract:
The laboratory study of stardust is an important sub-field of astrophysics. It combines sophisticated chemical, structural, and isotopic laboratory measurements, on micron-sub-micron stardust particles, with the theoretical ideas of nucleosynthesis and stellar evolution that exist to understand astrophysical observations. Isotopic data for these grains reveal more precise information about their parent stars than do spectroscopic observations of circumstellar dust. The goal of laboratory measurements is to provide clues on the stellar environments in which the grains formed and on their subsequent histories. Additionally, investigations into the preservation of these grains in different meteorites provide information about early solar system conditions and chronology. These goals can be achieved by coordinated, multi-technique investigations of stardust grains in the laboratory. This talk will focus on some key results from coordinated, multi-technique measurements of stardust grains and what they tell us about the stars that contributed presolar materials to our nascent Solar System. I will also talk about other new laboratory investigations on extraterrestrial samples

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