A planetarium that can project the most stars – MEGASTAR by Takayuki Ohira

In July 2004, Takayuki Ohira’s “MEGASTAR” was established permanently in the National Museum of Emerging Science and Innovation. It can project a total of five million stars that would otherwise be too far to see, at a magnitude of up to 12.5 times their size. Read More »

Subaru: The largest optical telescope in the world, owned by the National Astronomical Observatory

In 1998, a large scale, optical infrared telescope, named “Subaru”, was established at the top of Mt. Mauna Kea in Hawaii Island by the National Astronomical Observatory. Read More »

Discovery of a primitive galaxy almost as large as the Milky Way Galaxy

The National Astronomical Observatory of Japan (国立天文台) and others (Koji Ohta and others of Kyoto University, Tohoku University and the University of Tokyo) discovered a primitive galaxy almost as large as the Milky Way Galaxy, and announced it in Nature Magazine, Aug. 1. 1996. Ohta, K., Yamada, T., Nakanishi, K., Kohno, K., Akiyama, M. and Kawabe, R., “Detection of Molecular Gas in the Quasar BR1202 – 0725 at Redshift z = 4.69” , Nature 382 (1996) 426 Read More »

Discovery of the Visible Light Flare by Tomonori Totani

By Tomonori Totani: Assistant Professor(presently Associate Professor) at Department of Astronomy, Kyoto University , April 1, 2005

By a large scale search of the universe, a phenomenon that light flares will increase greatly in only several days has been discovered emanating from the center of a seemingly usual galaxy that exists at a distance of about four billion light years from the earth. Read More »