+ Research Interests

Large-scale Structures in the Universe

  - The KIAS Multiverse Cosmological Simulation
     : Cover image of The Bulletin of the Korean Astronomical Society

  - HectoMAPping the Universe
: Cover image of Astronomische Nachrichten

Environmental Effects on Galaxy Properties

  - Demise of faint satellites around isolated early-type galaxies
     : Cover image of The Bulletin of the Korean Astronomical Society

Slow motions in the cosmic web (Nov. 2, 2017)

Observational Cosmology

Galaxy Formation and Evolution

  - Study of distant galaxies challenges our understanding of how stars form (Jan. 19, 2018)

  - Mining Data Archives Yields Haul of "Red Nuggets" (Jun. 11, 2014)

  - "Red Nugget" Galaxies Were Hiding Plain Sight (Sep. 13, 2013)

Infrared Luminous Galaxies

  - The Diversity of Distant Galaxies (Jun. 07, 2013)

Making Stars in Early Galaxies (Nov. 30, 2012)

  - GOODS-H reveals gas mass role in creating fireworks versus beacons of star formation (Mar. 27, 2012)

Gas, Not Galaxy Collisions Responsible for Star Formation in Early Universe (Sep. 13, 2011)
Video for GOODS-Herschel 

Globular Cluster Systems in Galaxies

Planetary Nebula in M31 Globular Clusters (Apr. 18, 2013)

  - Discovery of a Large-Scale Structure of Wandering Globular Clusters in the Virgo (Mar. 12, 2010)

  - Wandering Globular Clusters in Virgo Cluster (Mar. 12, 2010) [Korean]

  - Search for M31 Globular Clusters (Aug. 07, 2007) [Korean]
: Cover image of The Astronomical Journal

Formation of Galaxy Clusters/Groups

Galaxy Interactions and Mergers

+ Awards

  - Elected Member of Young Korean Academy of Science and Technology (Y-KAST, 한국차세대과학기술한림원 회원 선출) (Dec. 9, 2020) [Korean]

  - Outstanding Young Astronomer Award (Korean Astronomical Society, 젊은 천문학자상) (Oct. 2, 2019) [Korean]

  - One of 30 promising young Korean scientists (한국을 빛낼 젊은 과학자 30인) (Nov. 24, 2016) [Korean]

+ Education and Public Outreach

Audio/Video Clips

  - Introduction of Science Movies (Dec. 14, 2018) [Korean]

  - Cosmic Address (Mar. 23, 2015) [Korean] : Science with People (Science Podcast, 과학과 사람들)

Editorial Supervision

  - Earth and Universe (From Myth to Constellation, 지구와 우주) (Apr. 15, 2005) [Korean]

Endorsement for Books

  - See the Stars in the Cave (동굴에서 별을 보다) (Dec. 20, 2018) [Korean]

  - Universe seen from the South Pole (남극에 서 본 우주) (Nov. 25, 2019) [Korean]

Consultation for EPO

  - Dead fish in the Sahara that save the Amazon (아마 존을 살리는 사하라의 죽은 물고기) (Dec. 12, 2020) [Korean]

  - Can we find the 2nd Earth? (제 2의 지구는 있을까?) (Sept. 9, 2020) [Korean]

  - The Reason Why Earth's Rotation is Slowing Down (지구의 자전 속도가 느려지는 이유) (Sept. 2, 2020) [Korean]

  - The Speed of Earth's Rotation (지구가 도는 속도) (Aug. 26, 2020) [Korean]


  - DESI Science Webpage Korean version (KASI Facebook posting, Sept. 17, 2020)

+ Academic Genealogy