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Sekine Lab
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The lab explores how planets and moons that nurture life formed and evolved.
AboutAbout the lab
Is there a celestial body in the universe that harbors life?
The Sekine Lab studies how planets and moons that have life, or may have life, came to be as they are today.
By investigating how planetary atmospheres and oceans formed and have changed, it seeks to understand what makes a planet capable of nurturing life.
It focuses on chemistry related to atmospheric chemical reactions, volcanic and hydrothermal activity, and meteorite impacts, and investigates it through laboratory experiments, theoretical calculations, and fieldwork.
Its targets include Earth, Mars, and bodies such as Saturn's moons Titan and Enceladus.
Key terms
- Icy moon
- A moon whose surface is covered with thick ice. Icy moons orbit planets such as Jupiter and Saturn
- Interior ocean
- An ocean of liquid water thought to lie beneath the ice of an icy moon
- Snowball Earth
- A state in which Earth's entire surface was covered with ice. It is thought to have occurred on the ancient Earth
NewsLab news
Announced that freezing and thawing may drive the growth, selection, and inheritance of protocells
Announced two studies showing the chemical diversity of Enceladus's interior ocean
Identified locations with abundant subsurface ice on Mars as candidate landing sites for crewed exploration
A PhD student received an Outstanding Presentation Award at the Japan Society for Planetary Sciences
A PhD student received an Outstanding Presentation Award at the Geochemical Society of Japan
ResearchResearch themes
The lab investigates the origin and evolution of planetary atmospheres and oceans, with the aim of understanding what makes a planet capable of nurturing life. With planetary chemistry and the evolution of Earth's atmosphere as its two pillars, it also seeks to approach the environments of planets outside the solar system and their potential habitability.
*Illustrative imageChemistry of Planets and Moons
Using laboratory experiments, numerical models, and geological surveys, the lab investigates the origin of Saturn's moon Titan, the chemistry of the interior oceans of icy moons such as Enceladus, and the changing environment of Mars.
*Illustrative imageEvolution of Earth's Atmosphere
Using experiments, fieldwork, and rock analysis, the lab studies the atmosphere of the ancient Earth when oxygen was scarce, the relationship between Snowball Earth events and the appearance of oxygen in the atmosphere, and environmental changes caused by meteorite impacts.
MembersFaculty
The Sekine Lab's members include faculty, postdoctoral researchers, PhD and master's students, and administrative staff.
- ProfessorYasuhito SekinePublications ↗
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: “Dramatic plumes, both large and small, spray water ice out from many locations along the famed tiger stripes near the south pole of Saturn’s moon Enceladus in this image released on Feb 23 (newly-found-organics-in-enceladus-plumes)” NASA/JPL-Caltech/Space Science Institute / Public domain (cropped)
- Chemistry of Planets and Moons: “Titan in true color” NASA/JPL-Caltech/Space Science Institute / Public domain (cropped)
- Evolution of Earth's Atmosphere: “Black-band ironstone (aka)” André Karwath aka Aka / CC BY-SA 2.5 (cropped)
- Related lab (佐藤研究室): “Subaru Telescope on Mauna Kea (geminiann12013b)” International Gemini Observatory/NOIRLab/NSF/AURA/Subaru Observatory / CC BY 4.0 (cropped)
- Related lab (玄田研究室): “The Earth seen from Apollo 17” NASA/Apollo 17 crew / Public domain (cropped)
- Related lab (中本研究室): “Artist’s impression of protoplanetary disc (weic2329a)” ESO/L. Calçada / CC BY 4.0 (cropped)
- Related lab (奥住研究室): “HL Tau protoplanetary disk” ALMA (ESO/NAOJ/NRAO) / CC BY 4.0 (cropped)
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