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…
ALMA Discoveries
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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…
2016.12.14
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…
2016.12.05
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…
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…
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…
2016.09.30
Spiral Arms Embrace Young Star
Swirling around the young star Elias 2-27, astronomers discovered a stunning spiral-shape pinwheel of dust. This striking feature, seen with the Atacama Large …
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…
2016.09.27
ALMA Explores the Hubble Ultra Deep Field: Uncovers Insights into 'Golden Age' of Galaxy Formation
This release was modified on 15 November 2016 to correct several errors and misleading phrases. In particular the release in places gave the impression that s…
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…
2016.07.19
ALMA Achieved Highest Sensitivity Polarimetry in Millimeter Wavelength
Researchers have demonstrated ALMA’s unprecedented capability for polarimetry in millimeter wavebands. Polarimetry is an important method to investigate …
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…
2016.06.15
First Detection of Methyl Alcohol in a Planet-forming Disc
The organic molecule methyl alcohol (methanol) has been found by the Atacama Large Millimeter/Submillimeter Array (ALMA) in the TW Hydrae protoplanetary disc. …
2016.06.09
Black Hole Deluged by Cold Intergalactic 'Rain'
An international team of astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) has witnessed a never-before-seen cosmic weather event&mdash…
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…
