| Abstract : | Meteorites and extraterrestrial samples (e.g. micrometeorites, interplanetary dust particles, fossil meteorites and micrometeorites) provide direct information about early history of the solar protoplanetary disc and environment of formation of the solar system, origin and evolution of planetary bodies, and evolution of volatiles and life on Earth. Various components within primitive meteorites sample materials with temporal and spatial information about the early protosolar and protoplanetary disc. Similarly, another type of meteorites are derived from differentiated planetessimals that formed very early (1-2 Myrs) in the solar system history and then continued to form until the larger terrestrial and gas giants formed. Information from all these meteorites are being used by astrophysicists to improve their modelling and better understanding the evolution of our solar system and other stellar and exoplanet systems. Recent sample return missions and availability of state-of-the art analytical instruments are pushing the limits of getting isotopic, chemical and structural information with high spatial resolution and sensitivity. In this talk, I will present about various extraterrestrial samples available for study, the information that they provide about the evolution of our solar system and planets, stellar nucleosynthesis and the various opportunities and possibilities of having cross-disciplinary collaboration to answer some of the important questions related to cosmochemistry. |
