Sunspots are regions where strong magnetic fields exist. Occasionally, the configuration of these magnetic...

Located at the 3,000-m summit of Haleakalā on Maui, Hawai‘i, this site hosts a...

We are developing a near-infrared camera (TOPICS) and a high-dispersion Echelle spectrograph (wavelength resolution...

Multi-wavelength observations of ground-based all-sky cameras are important for understanding the morphology and other...

IPRT (Iitate Planetary Radio Telescope) is a large aperture radio telescope developed in 2001...

MMX (Martian Moons eXploration) is a mission led by JAXA (Japan Aerospace Exploration Agency)...

JUICE (JUpiter ICy moons Explorer) is a spacecraft developed by the European Space Agency...

“Mio” is a Mercury exploration spacecraft developed jointly by Japan (JAXA) and Europe (ESA)...

ARASE is developed by the Japan Aerospace Exploration Agency (JAXA) to explore “geospace”, the...

OCTAVES (Observation of CondiTion of ionized Atmosphere by VLF Experiment) is a VLF/LF ionosphere...

The Hisaki satellite is equipped with an extreme ultraviolet spectrograph and is the world’s...

Pulsating aurora is one type of aurora which variates with a period of several...

The LAPYUTA mission aims “to explore the habitable environment of the Universe” and “to...

In September 2014, we opened the T60 observation facility, a telescope dedicated to observing...

TSUKUYOMI is a low frequency radio telescope that deploys a number of radio antenna...

FACTORS is a future formation flight satellite mission at an altitude range up to...

Jupiter possesses an exceptionally strong magnetic field, and within its magnetosphere lies a vast...

We focus on the volcanically active Io and the icy moon Europa. Sulfur and...