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Galaxy Evolution (Ω) Lab
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The lab explores how galaxies were born and evolved, using both observation and theory.
AboutAbout the lab
Exploring the formation and evolution of galaxies through observation and theory.
The Galaxy Evolution Lab (Ω Lab) studies how galaxies, which are huge collections of stars, gas, and dark matter, formed and evolved over the history of the universe.
Using both observational and theoretical methods, the lab covers a wide range of physical scales, from a single star to galaxy clusters (large-scale structure).
In recent years, it has also worked on research using advanced statistical methods known as astrostatistics.
Key terms
- Dark matter
- Matter that cannot be seen directly in light but whose existence is inferred from its gravitational effects. It is one of the components of a galaxy
- Large-scale structure
- Large structures formed by the clustering of galaxies, such as galaxy clusters
- Astrostatistics
- Statistical methods that show the reliability of observational data and express the uncertainty of theoretical models in numerical terms
ResearchResearch themes
The lab studies how galaxies, which are huge collections of stars, gas, and dark matter, formed and evolved over the 13.7-billion-year history of the universe, using both observational and theoretical methods. It also works on research using advanced statistical methods known as astrostatistics.
*Illustrative imageExploring Galaxy Evolution Across a Wide Range of Scales
The evolution of galaxies spans a wide range of physical scales, from a single star to galaxy clusters (large-scale structure). The lab focuses on large-scale structure, morphology, star formation, AGN, interactions, dust, and galactic archaeology.
*Illustrative imageAstrostatistics and Data Science
The lab works on astrostatistics, which quantifies the reliability of observational data and the uncertainty of theoretical models, and on astroinformatics, which applies data science to astronomy to process and analyze vast amounts of observational data.
MembersFaculty
The members of the Galaxy Evolution Lab consist of faculty members, postdoctoral researchers, doctoral, master's, and undergraduate students, high school students (Mirai Global Science Campus), and short- and medium-term visiting members.As of 2026
- Associate ProfessorTsutomu Takeuchi
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “UGC 1810 and UGC 1813 in Arp 273 (captured by the Hubble Space Telescope)” NASA, ESA, and the Hubble Heritage Team (STScI/AURA) / Public domain (cropped)
- Exploring Galaxy Evolution Across a Wide Range of Scales: “Hubble2005-01-barred-spiral-galaxy-NGC1300” NASA, ESA, and The Hubble Heritage Team STScI/AURA) / Public domain (cropped)
- Astrostatistics and Data Science: “NCCS Discover Supercomputer (GSFC )” NASA Goddard Space Flight Center / NASA/GSFC/Bill Hrybyk / Public domain (cropped)
- Related lab (天体物理学 (A)): “CSIRO ScienceImage 559 Radio Telescopes at the Australia Telescope Compact Array” division, CSIRO / CC BY 3.0 (cropped)
- Related lab (宇宙論 (C)): “Hubble reveals galactic drama -image 5- (heic0406h)” NASA, ESA, and S. Beckwith (STScI) and the HUDF Team / Public domain (cropped)
- Related lab (宇宙
空間物理学観測 (SSE)): “Aurora Borealis over the Killarney Provincial Park Observatory” KillarneyDiscovery / CC0 (cropped) - Related lab (複雑性科学理論 (ΣT)): “Experimental hall of the Wendelstein 7-X stellarator at IPP Greifswald 03” Siarhei Besarab / CC BY-SA 4.0 (cropped)
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