Misako Tatsuma, a first-year student in the doctoral course at the University of Tokyo, got the Outstanding Student Presentation Award at Space and Planetary Sciences Section of the Japan Geoscience Union (JpGU) Meeting 2019, which was held at Makuhari Messe International Conference Hall in Chiba from May 26 to May 30, 2019.
JpGU is a meeting that covers a wide range of fields, including Space and Planetary Sciences, Atmospheric and Hydrospheric Sciences, Human Geosciences, Solid Earth Sciences, and Biogeosciences. Every year, many oral presentations and poster presentations are held. She entered the Outstanding Student Presentation Award in Planetary Sciences Session of Space and Planetary Sciences Section and made an oral presentation titled “Tensile Strength of Porous Dust Aggregates Measured with Dust N-body Simulations”. As a result, she got the Outstanding Student Presentation Award after screening. In Space and Planetary Sciences Section, 11 people including her got the awards.
Kilometer-sized planetesimals are thought to be building blocks of planets. However, many problems still remain in the formation process of planetesimals. In order to solve them, exploration of comets and asteroids, which are leftover planetesimals in our solar system, is being actively conducted, e.g., Rosetta and Hayabusa 2. As a result, even the properties of the materials, such as tensile strength, have become clear. Therefore, in order to investigate the formation process of planetesimals from the material strength, she and her collaborators measured the tensile strength of porous dust aggregates, which form planetesimals, using numerical simulation.
She commented on the award, “It’s a great honor. I am very pleased that my efforts have been awarded since I have worked hard to explain the significance of our research in the limited 15 minutes of presentation time. I would like to continue our investigation.”
(August 19, 2019)