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Imada Lab
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The lab explores how plasma around the Sun and Earth is heated and accelerated.

AboutAbout the lab
Exploring space plasma, from the Sun to Earth.
Imada Lab studies the mechanisms of plasma heating and acceleration that occur in space.
The solar atmosphere, Earth's magnetosphere, and interplanetary space are almost entirely filled with plasma.
The lab focuses on magnetic reconnection and on how energy is transported by magnetohydrodynamic waves and turbulence.
The lab also works on predicting the Sun's cyclic activity and on understanding the environments of the Sun and Earth at the time life emerged.
Key terms
- Plasma
- A state in which gas atoms separate into electrons and ions, with electrically charged particles moving about freely
- Magnetic reconnection
- A phenomenon in which magnetic field lines pointing in different directions reconnect, instantly converting magnetic field energy into plasma heat and motion
- Magnetosphere
- The region created by the magnetic field of a planet such as Earth, which blocks the solar wind and extends out into space
NewsLab news
A graduate of the lab won the 2025 IAU PhD Prize
A paper by a doctoral student was published in The Astrophysical Journal
A master's student won the Graduate School of Science Research Encouragement Award
A paper by a master's student was published in The Astrophysical Journal
A doctoral student won the SGEPSS Best Student Presentation Award (Aurora Medal)
ResearchResearch themes
The lab aims to elucidate plasma heating and acceleration phenomena that occur in space, from the solar atmosphere to Earth's magnetosphere and interplanetary space. Its research also extends to the Sun's cyclic activity and to the environments of the early Sun and Earth.
*Illustrative imagePlasma Heating and Acceleration
The lab studies magnetic reconnection, which converts magnetic field energy into plasma energy in an extremely short time, as well as the processes by which energy is transported and dissipated by magnetohydrodynamic waves and turbulence.
*Illustrative imagePredicting the Next Solar Cycle
Solar activity follows a cycle of about 11 years, and each cycle has its own character. The lab predicts the strength of the next cycle using image analysis of solar observation satellite data and numerical simulations.
*Illustrative imageThe Sun and Earth When Life Emerged
The lab also takes on research to understand the environments of the Sun and Earth 3.5 billion years ago, when life emerged on Earth.
MembersFaculty
The members of Imada Lab consist of faculty, doctoral students, and master's students.As of 2026
- ProfessorImada ShinsukePublications ↗
- Assistant ProfessorMunehito Shoda
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: “February 16, 2024 X2 5 Solar Flare (SVS14531 - SDO )” NASA's Scientific Visualization Studio - A. J. Christensen, Scott Wiessinger / Public domain (cropped)
- Plasma Heating and Acceleration: “Coronal Rain, Solar Storm ( )” NASA Goddard Space Flight Center from Greenbelt, MD, USA / Public domain (cropped)
- Predicting the Next Solar Cycle: “NASA's Best-Observed X-Class Flare of All Time ( )” NASA Goddard Space Flight Center from Greenbelt, MD, USA / Public domain (cropped)
- The Sun and Earth When Life Emerged: “Hadean” Tim Bertelink / CC BY-SA 4.0 (cropped)
- Related lab (Amano Lab): “Supernova Remnant SN 1006” X-ray: NASA/CXC/Rutgers/G.Cassam-Chenaï, J.Hughes et al.; Radio: NRAO/AUI/NSF/GBT/VLA/Dyer, Maddalena & Cornwell; Optical: Middlebury College/F.Winkler, NOAO/AURA/NSF/CTIO Schmidt & DSS / CC BY 4.0 (cropped)
- Related lab (Seki Lab): “Aurora Australis From ISS” ISS Expedition 23 crew / Public domain (cropped)
- Related lab (Asgari-Targhi Lab): “Traceimage” NASA / Public domain (cropped)
- Related lab (Shimizu Lab): “SOLAR-B artists concept” NASA/GSFC/C. Meaney / Public domain (cropped)
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