2017.04.13
ALMA Investigates 'DeeDee,' a Distant, Dim Member of Our Solar System
Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have revealed extraordinary details about a recently discovered far-flung member of …
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2017.04.10
ACA Total Power Array Spectrometer PDR
On February 20 and 21, 2017, two-day ALMA ACA Total Power (TP) Array Spectrometer Preliminary Design Review (PDR) was held at the Korea Astronomy and Space Sci…
2017.04.07
ALMA Captures Explosive Star Birth
Star birth can be a violent and explosive event, as dramatically illustrated in new ALMA images. Around 500 years ago, a pair of adolescent protostars had a pe…
2017.03.27
9th SPSS Award Given to Joten Okamoto
The Society for Promotion of Space Science (SPSS) gave the 9th SPSS Award to Joten Okamoto, an NAOJ fellow who is engaged in research activities at the NAOJ C…
2017.03.17
ALMA's ability to see a "Cosmic Hole" confirmed
Researchers using the Atacama Large Millimeter/submillimeter Array (ALMA) successfully imaged a radio “hole” around a galaxy cluster 4.8 billion li…
2017.03.14
Solar Eclipse Observation at the Residence of the NAOJ Chile Observatory Director
An annular solar eclipse took place in the morning of February 26 in Southern Chile. It was observed in Santiago from 9:20 am to 11:50 am as a partial solar e…
2017.03.08
Ancient Stardust Sheds Light on the First Stars—Most distant object ever observed by ALMA
Astronomers have used ALMA to detect a huge mass of glowing stardust in a galaxy seen when the Universe was only four percent of its present age. This galaxy…
2017.03.03
An Extraordinary Celestial Spiral with a Twist
An international team of astronomers, led by Hyosun Kim in Academia Sinica Institute of Astronomy and Astrophysics (ASIAA, Taiwan), has found a way of deriving…
2017.02.27
2016 Japan Radio Astronomy Forum Symposium
From February 21 through 22, 2017, the Japan Radio Astronomy Forum (JRAF) Symposium FY2016 was held at the NAOJ Mitaka campus. More than 80 participants atten…
2017.02.15
Black-Hole-Powered Jets Forge Fuel for Star Formation
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a surprising connection between a supermassive black hole and the gal…
2017.02.13
Summer Camp at Santiago Japanese School
On January 26, NAOJ Chile Observatory staff members visited a summer camp held by Santiago Japanese School to give a lecture about the universe and astronomic…
2017.02.08
Protostar displays a strange geometry
One of the big puzzles in astrophysics is how stars like the sun manage to form from collapsing molecular clouds in star-forming regions of the universe. The…
2017.01.18
ALMA starts Observing the Sun
New images taken with the Atacama Large Millimeter/submillimeter Array (ALMA) reveal surprising details of the Sun, including the dark, contorted center of an …
2016.12.21
First Light for Band 5 at ALMA
The Atacama Large Millimeter/submillimeter Array (ALMA) in Chile has begun observing in a new range of the electromagnetic spectrum. This has been made possibl…
2016.12.16
ALMA Management Agreement Signed
On November 17, the Management Agreement Concerning Operations of ALMA was signed by the National Astronomical Observatory of Japan (NAOJ), the Associated Uni…
2016.12.14
ALMA Finds Compelling Evidence for Pair of Infant Planets around Young Star
Astronomers now know that our galaxy is teeming with planets, from rocky worlds roughly the size of Earth to gas giants bigger than Jupiter. Nearly every one o…
2016.12.13
Koh-ichiro Morita Memorial Concert—Far Beyond the Stars—
In remembrance of the late professor Koh-ichiro Morita who loved playing the viola, a memorial concert will be held at Tokyo Bunka Kaikan on January 6, 2017. …
2016.12.07
22nd ALMA Public Lecture held in Nagoya
On Saturday, November 26, the 22nd ALMA public lecture titled “The Birth of Stars and Planets Explored by ALMA” was held by NAOJ at the Nagoya Cit…
2016.12.05
ALMA measures size of seeds of planets
Researchers using the Atacama Large Millimeter/submillimeter Array (ALMA), have for the first time, achieved a precise size measurement of small dust particl…
2016.11.07
Tsunami of Stars and Gas Produces Dazzling Eye-shaped Feature in Galaxy
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a tsunami of stars and gas that is crashing midway through the disk o…
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2025 2.12
Researchers find dark matter dominating in early universe galaxies
This article is based on the press release issued by the Kavli Institute for the Physics and Mathematics of the Univers…
2025 2.6
Magnetic Field in Planet Formation has been Successfully Observed
Based on ALMA multi-band observations of dust polarization, the magnetic field structure in a protoplanetary disk has b…
2025 1.10
Unveiling the properties of a primeval galaxy from 13.4 billion years ago
An international team led by researchers from the National Astronomical Observatory of Japan succesfully detected the e…
