Science November 20, 2012

Direct Imaging of a Super-Jupiter Around a Massive Star

An international team of astronomers, led by Joseph Carson (College of Charleston and Max Planck Institute for Astronomy), has discovered a ...

Science November 12, 2012

Discovery of a Giant Gap in the Disk of a Sun-like Star

A large international team of astronomers led by Jun Hashimoto (National Astronomical Observatory of Japan) and Ruobing Dong (Princeton Univ...

Science October 25, 2012

ALMA discovers the new tool to explore baby stars: a new water maser emission in the Orion Nebula

A research team lead by Assistant Professor Tomoya Hirota (NAOJ) successfully detected maser emission from a water molecule in a high energy...

Science October 17, 2012

Surprising Spiral Structure Spotted by ALMA -- New observations reveal the secrets of a dying star

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a totally unexpected spiral structure in the mater...

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Science October 3, 2012

Mass of Dark Matter Revealed by Precise Measurements of the Galaxy

Research Overview A research team, led by Associate Professor Mareki Honma from the National Astronomical Observatory of Japan (NAOJ), has s...

Science October 1, 2012

Discovery of an Ancient Celestial City Undergoing Rapid Growth: A Young Protocluster of Active Star-Forming Galaxies

A team of astronomers has discovered an ancient protocluster of galaxies in the midst of a vigorous process of formation. It is the densest...

Science September 28, 2012

Radio Interferometer Measure the Edge of a Black Hole

International research team including Mareki HONMA and Tomoaki OYAMA (NAOJ) has for the first time succeeded the measurement of the edge of ...

Topics September 13, 2012

Hyper Suprime-Cam Ushers in a New Era of Observational Astronomy

The installation of Hyper Suprime-Cam (HSC) onto the Subaru Telescope took place on August 16-17, 2012. The availability of this extraordina...

Science September 4, 2012

Discovery of the “Pigtail” Molecular Cloud

A research team of the Department of Physics, Keio University, has discovered a molecular cloud with a peculiar helical structure by observa...

Topics September 4, 2012

Dr. Kaifu, the Former Director General of NAOJ, Takes the Position as the New IAU President

On August 30, 2012, the General Assembly (GA) of the International Astronomical Union (IAU), meeting in Beijing, China, has named Dr. Norio ...