| Date | Speaker | Title | Remarks |
|---|
| March 7 | No Colloquium | OT to the Seminar Course | |
| March 14 | Dr. Ena Choi (Columbia Unv.) | Making Massive Elliptical Galaxies | |
| March 21 | KASI ALMA TEAM | ALMA Cycle-7 proposal Townhall meeting | |
| March 28 | Prof. Changbom Park (KIAS) | Cosmology with Large-scale Structures in the Universe | |
| April 4 | Prof. Masateru Ishiguro (SNU) | Hirayama Family and Exploration of Asteroids | |
| April 11 | No colloquium | Korean Astronomical Society Spring Meeting | |
| April 18 | Prof. Sunghoon Jung (SNU) | Seeing Dark Matter with Gravitational Waves | |
| April 25 | Dr. Z. Lucas Uhm (KASI) | Physics of Relativistic Jets in Gamma-ray Bursts in the New Era of Multi-messenger Astrophysics | |
| May 2 | Prof. Jeong-Eun Lee (Kyung Hee Univ.) | Chemistry in Star and Planet Formation | Speech in Korean |
| May 9 | Dr. Masa Imanishi (NAOJ) | ALMA reveals a rotating dense molecular torus in NGC 1068 | |
| May 16 | Dr. Pei-Ying Hsieh (ASIAA) | The Role of the Magnetic Field in the Circumnuclear Disk of the Galactic Center – Implications From 850 micron Polarization Data | |
| May 23 | Prof. Sascha Trippe (SNU) | At the End of Space and Time: Imaging the Black Hole in M 87 | Special colloquium on the recent result of the Event Horizon Telescope (EHT) |
| May 30 | Naeun Shin (SNU) | 대학원생이 바라본 해외교육지원단 3기 원정대 활동 | |
| June 6 | No colloquium | Memorial Day | |
| June 13 | Dr. Shinsuke Takasao (NAGOYA Univ.) | Investigating the accretion process onto young stars using 3D MHD simulations | |
