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2008–
A period of large-scale observational facility development and outstanding outcomes
- 2018 East Asian VLBI Network (EAVN) operation started
Near Infrared Spectroscopic Surveyor (NISS) onboard NEXTSat-1 was launched
- 2016 Optical Wide Field Patrol Network (OWL-Net) was commissioned
- 2015 Korea Microlensing Telescope Network (KMTNet) was commissioned at three sites in southern hemisphere
Center for National Space Situational Awareness (SSA) Organization was inaugurated
Sejong Satellite Laser Ranging (SLR) observatory, the first SLR in Korea, was completed
- 2014 Participation in Atacama Large Millimeter/submillimeter Array (ALMA)
EAO was founded in collaboration with China, Japan, and Taiwan
- 2013 MIRIS (Multi-purpose IR Imaging System), the main payload of STSAT-3, was launched
- 2011 Operation of Korean Very Long Baseline Interferometry Network(KVN) began
- 2010 Astronomy and Space Act was legislated
- 2009Joined in the Giant Magellan Telescope (GMT) project
KASI organized United Nations (UN) symposium on Basic Space Science/ International Heliophysical Year (BSS/IHY)
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1999–2007
Status: Independent public corporation
- 2007 Space Weather Monitoring Lab. (SWML) was opened
- 2006 International Global Navigation Satellite System (GNSS) Service Global Data Center (IGS GDC) began operation at KASI
- 2005 KAO was renamed to Korea Astronomy and Space Science Institute (KASI)
- 2003Far-ultraviolet IMaging Spectrograph (FIMS), the first Space Telescope in Korea onto Science and Technology Satellite (STSAT-1) was launched
University of Science and Technology Korea (UST) was jointly founded with other research institutes
- 2000 Near Earth Object (NEO) research team was designated as a National Research Laboratory (NRL)
- 1999 KAO sponsored International Astronomical Union (IAU) Symposium for the first time in Korea (Number 197, Astrochemistry)
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1986–1997
Status: Annex Research Institute
- 1997 X-ray detector, the first payload for space observation in Korea loaded onto Korea Sounding Rocket II (KSR-II) was launched
- 1995 The solar flare telescope (SOFT) was installed at BOAO
- 1994 Bohyunsan Optical Astronomy Observatory (BOAO) recorded first light
- 1992 Global Positioning System (GPS) KASI Observatory was installed in Daejeon
- 1991 ISSA was renamed to Korea Astronomy Observatory (KAO)
- 1986 KNAO was restructured to Institute of Space Science and Astronomy(ISSA)
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1974–1985
Status: National Observatory
- 1985 Taeduk Radio Astronomy Observatory (TRAO) was built in Daejeon
- 1978 Sobaeksan Optical Astronomy Observatory (SOAO) was inaugurated
- 1974Korean National Astronomy Observatory (KNAO) was established by presidential decree under the Ministry of Science and Technology
