What are we up to at ISAS?

The JUICE Mission: Japan joins ESA to head to the icy moons

On April 13, the JUpiter ICy moon Explorer (JUICE) is set to launch to the icy moons of the Solar System's largest planet. JUICE is an ESA-led mission, with strong involvement from Japan. Let's take a look at the mission and the onboard instruments Japan has helped to develop.

Global Space News: JUICE is preparing to launch!

On April 13 2023, the Jupiter Icy Moons Explorer (JUICE) mission is scheduled to launch. JUICE is an ESA-led mission with strong involvement from Japan. Hear from our researchers as 10 years of preparation comes to head!

Global Space News: One year of #WebbWOW

It is said that you cannot recapture the childhood magic of Christmas. But any astronomer watching the skies on December 25 in 2021 will beg to differ. Because the most powerful space telescope ever constructed was about to launch. Our researchers take us through the first year of Webb.

Meeting in the shadow of asteroids: Yoshida Fumi has been awarded the DaBoll Award for her leadership in occultation observations

Despite both radar and optical observations from Earth, asteroid Phaethon was proving elusive. "Phaethon’s orbit is special compared to other near-Earth asteroids,” explains Yoshida Fumi at the Planetary Exploration Research Center, Chiba Institute of Technology, and the University of Occupational and Environmental Heath, Japan. “There’s never a chance to observe Phaethon from Earth with a solar phase angle of zero degrees.”

Global Space News: following the DART mission to protect our planet

In early September of 2022, Scientists around the world were anxiously pondering one important question: if it became necessary... if the future of life on our planet was at stake... could we save the Earth? It was time to find out.

As XRISM prepares to launch, what might the telescope reveal about the largest structures in our Universe?

"As something falls from a high position to a low position, it gains kinetic energy by losing gravitational potential.” It is a sentence that could belong in any physics textbook. But Associate Professor Yamaguchi Hiroya is not discussing the quintessential student problem of dropping an object into a well. Instead, he is describing the formation of the largest structures in the Universe: galaxy clusters. The activity within these cosmological monoliths have long remained unclear, but this is set to change with the launch of the XRISM X-ray Space Observatory next fiscal year.

Stony Materials Initial Analysis Team results for the history of asteroid Ryugu

Research highlights: The “Stony Materials Initial Analysis Team” have published their first results from the initial analysis of the asteroid Ryugu sample returned by the Hayabusa2 mission in the international journal Science.

Ryugu & Bennu: Ask us your questions!

Two asteroids. Two countries. Two incredible missions! JAXA's Hayabusa2 and NASA's OSIRIS-REx visited two asteroid, Ryugu and Bennu. This week, the teams get together to answer your questions on social media.

Global Space News: Comet Interceptor mission “adopted”

On June 8, the European Space Agency (ESA) announced that the study phase for the Comet Interceptor mission was complete, and the mission had been formally approved for construction for a scheduled launch in 2029. Comet Interceptor is an ESA-led mission with JAXA participation, and the news was eagerly received by the Comet Interceptor team at ISAS.

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