ISAS | Institute of Space and Astronautical Science

April 19, 2012

Polar Field Reversal as observed with Hinode

Using HINODE, the international research team led by Prof. S. Tsuneta (NAOJ) discovered that the average magnetic flux of the sun is rabidly and steadily decreasing in the north polar region. The magnetic reversal around the north pole will take place in 1 month or so, about one year earlier than the nominal case.

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February 23, 2012

Shedding light on the ultra-relativistic electron-positron wind of the Crab Pulsar

February 8, 2012

AKARI Finds Carbon Monoxide Molecules Embedded in Ten Million Degree Gas

February 6, 2012

Reading the Dust from Asteroid Itokawa First Analysis of the HAYABUSA Sample

January 24, 2012

1st International Announcement of Opportunity for HAYABUSA Sample Investigation

January 13, 2012

S-520-26 launch result

November 24, 2011

AKARI operation completed

November 1, 2011

Gold dust collection in the sky: World's largest asteroid database made by AKARI

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April 13, 2012

What is Mysterious Far-Infrared Radiation Detected by AKARI?

Shuji Matsuura
Infrared astronomical satellite AKARI detected a mysterious far-infrared cosmic background radiation. According to the various analyses, one of its possible sources is relatively small black holes that existed in great number in the early universe. Or, its origin may be unknown physical phenomena. Various approaches will be taken to elucidate the mystery.

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February 13, 2012