2016.10.27
Young Stellar System Caught in Act of Forming Close Multiples
For the first time, astronomers have seen a dusty disk of material around a young star fragmenting into a multiple-star system. Scientists had suspected such a…
Cosmic Mysteries
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2016.10.13
Dense molecular gas disks drive the growth of supermassive black holes—Are supernova explosions the key?
A joint team of University of Tokyo researchers and their collaborators, using ALMA and other telescopes that utilize radio waves for space observation, reve…
2016.09.29
Discovery of an Extragalactic Hot Molecular Core
Astronomers have discovered a ‘hot molecular core’, a cocoon of molecules surrounding a newborn massive star, for the first time outside our Gala…
2016.09.14
ALMA Spots Possible Formation Site of Icy Giant Planet
Astronomers found signs of a growing planet around TW Hydra, a nearby young star, using the Atacama Large Millimeter/submillimeter Array (ALMA). Based on the…
2016.08.31
Record-breaking Galaxy Cluster Discovered
A new record for the most distant galaxy cluster has been set using NASA’s Chandra X-ray Observatory and other telescopes, including the Atacama Large Mi…
2016.08.17
ALMA Explores Orion's Turbulent Border
These images show the edge of the vast molecular cloud that lies behind the Orion Nebula, 1400 light-years from Earth. The image of the left shows a wide-field…
2016.07.14
ALMA Observes First Protoplanetary Water Snow Line Thanks to Stellar Outburst
New observations with the Atacama Large Millimeter/submillimeter Array (ALMA) have produced the first image of a water snow line within a protoplanetary disk. …
2016.06.28
Rotating Ring of Complex Organic Molecules Discovered around Newborn Star: Chemical Diversity in Planet Forming Regions Unveiled
Researchers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered a rotating ring containing large organic molecules around a protosta…
2016.06.17
ALMA Detected the Most Distant Oxygen
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) detected a clear signal from oxygen in a galaxy located 13.1 billion light-years aw…
2016.05.25
Footprints of Baby Planets in a Gas Disk
A new analysis of the ALMA data for a young star HL Tauri provides yet more firm evidence of baby planets around the star. Researchers uncovered two gaps in…
2016.03.10
Mysterious Infrared Light from Space Resolved Perfectly
A research team using the Atacama Large Millimeter/submillimeter Array (ALMA) has detected the faintest millimeter-wave source ever observed. By accumulatin…
2016.03.03
ALMA Spots Baby Star's Growing Blanket
Researchers using the Atacama Large Millimeter/submillimeter Array (ALMA) have made the first direct observations delineating the gas disk around a baby sta…
2015.12.07
Radio Shadow Reveals Tenuous Cosmic Gas Cloud
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered the most tenuous molecular gas ever observed. They detected the abs…
2015.12.05
ALMA Spots Monstrous Baby Galaxies Cradled in Dark Matter
Astronomers discovered a nest of monstrous baby galaxies 11.5 billion light-years away using the Atacama Large Millimeter/submillimeter Array (ALMA). The you…
2015.10.15
ALMA telescope unveils rapid formation of new stars in distant galaxies
Galaxies forming stars at extreme rates nine billion years ago were more efficient than average galaxies today, researchers find. The majority of galaxies h…
2015.06.18
ALMA Precisely Measures Black Hole Mass
A research group led by Kyoko Onishi at the SOKENDAI (The Graduate University for Advanced Studies) observed the barred spiral galaxy NGC 1097 with ALMA and fo…
2015.06.09
ALMA uses 'Natural Telescope' to Image Monstrous Galaxy near the Edge of the Universe
This press release was issued by The University of Tokyo on June 9th, 2015 in Japanese. English version is translated by the National Astronomical Observator…
2015.04.07
Unprecedented views of lensed galaxy and asteroid Juno taken with ALMA
Astronomers obtained unprecedentedly sharp images of a distant galaxy SDP.81 and an asteroid Juno with the Atacama Large Millimeter/submillimeter Array (ALMA…
2015.03.31
ALMA Disentangles Complex Birth of Giant Stars
Overview A research group led by Aya Higuchi, a researcher at Ibaraki University, conducted observations of the massive-star forming region IRAS 16547-4247 w…
2015.02.26
ALMA Revealed Surprisingly Mild Environment around a Supermassive Black Hole
A research team led by Shuro Takano at the National Astronomical Observatory of Japan (NAOJ) and Taku Nakajima at Nagoya University observed the spiral galaxy …
NEW ARTICLES
2025 6.26
Development of Total Power GPU Spectrometer was approved by ALMA Board
In April 2025, the ALMA Board approved the development of a new spectrometer for the Morita Array (*) designed and deve…
2025 6.24
New Super-resolution Imaging Reveals the First Step of Planet Formation after Star Birth
A research team led by Ayumu Shoshi of Kyushu University and the Academia Sinica Institute of Astronomy and Astrophysic…
2025 6.3
Joint ALMA Observatory Open Day 2025
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On March 21, 2025, NAOJ participated in the public event "Open Day 2025" held at the Joint ALMA Observatory in Santiago…
