2020.06.17
Supergiant Atmosphere of Antares Revealed by Radio Telescopes
An international team of astronomers has created the most detailed map yet of the atmosphere of the red supergiant star Antares. The unprecedented sensitivity …
Cosmic Mysteries
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2020.05.22
ALMA Spots Twinkling Heart of Milky Way
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) found quasi-periodic flickers in millimeter-waves from the center of the Milky Way, S…
2020.05.21
ALMA Discovers Massive Rotating Disk in Early Universe
In our 13.8 billion-year-old universe, most galaxies like our Milky Way form gradually, reaching their large mass relatively late. But a new discovery made wit…
2020.04.28
Universe Observed with Extreme Vision 【vol.4】Exploring Star Formation with Chemistry
How are stars and planets formed? This is one of the great mysteries that ALMA aims to unravel. Nami Sakai, Chief Scientist at RIKEN, is taking on this challen…
2020.04.21
ALMA Reveals Unusual Composition of Interstellar Comet 2I/Borisov
A galactic visitor entered our solar system last year – interstellar comet 2I/Borisov. When astronomers pointed the Atacama Large Millimeter/submillimeter Arra…
2020.04.07
Something is Lurking in the Heart of Quasar 3C 279 - Event Horizon Telescope Images of a Black-Hole Powered Jet
One year ago the Event Horizon Telescope (EHT) Collaboration published the first image of a black hole in the nearby radio galaxy M 87. Now the collaboration h…
2020.03.27
ALMA Resolves Gas Impacted by Young Jets from Supermassive Black Hole
Astronomers obtained the first resolved image of disturbed gaseous clouds in a galaxy 11 billion light-years away by using the Atacama Large Millimeter/submill…
2020.03.25
The Strange Orbits of ‘Tatooine’ Planetary Disks
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have found striking orbital geometries in protoplanetary disks around binary stars. W…
2020.03.05
ALMA Spots Metamorphosing Aged Star
An international team of astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) has captured the very moment when an old star first starts t…
2020.02.21
How Newborn Stars Prepare for the Birth of Planets
An international team of astronomers used two of the most powerful radio telescopes in the world to create more than three hundred images of planet-forming dis…
2020.02.14
Galactic Cosmic Rays Affect Titan’s Atmosphere
Planetary scientists using the Atacama Large Millimeter/submillimeter Array (ALMA) revealed the secrets of the atmosphere of Titan, the largest moon of Saturn.…
2020.02.06
ALMA catches beautiful outcome of stellar fight
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have spotted a peculiar gas cloud that resulted from a confrontation between two star…
2020.01.23
Astronomers Reveal Interstellar Thread of One of Life’s Building Blocks
Phosphorus, present in our DNA and cell membranes, is an essential element for life as we know it. But how it arrived on the early Earth is something of a myst…
2020.01.16
The Turbulent Life of Two Supermassive Black Holes Caught in a Galaxy Crash
ALMA sees material around two growing supermassive black holes in unprecedented detail. NGC 6240 as seen with ALMA (top) and the Hubble Space Telescope (bottom…
2019.12.27
ALMA Spots Most Distant Dusty Galaxy Hidden in Plain Sight
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have spotted the light of a massive galaxy seen only 970 million years after the Big …
2019.12.23
Massive Gas Disk Raises Questions about Planet Formation Theory
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) found a young star surrounded by an astonishing mass of gas. The star, called 49 Ceti…
2019.12.16
Carbon Cocoons Surround Growing Galaxies – ALMA Spots Earliest Environment Pollution in the Universe -
Researchers have discovered gigantic clouds of gaseous carbon spanning more than a radius of 30,000 light-years around young galaxies using the Atacama Large M…
2019.12.05
ALMA Witness Planet Formation in Action
For the first time, astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have witnessed 3D motions of gas in a planet-forming disk. At thr…
2019.11.21
Feeding a Baby Star through a Whirlpool in Space
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) detected a pair of spiral arms in an accretion disk around a baby star. Interestingly…
2019.11.18
ALMA Reveals Origin of Mysterious Blast: AT2018cow originated from supernova in a strongly-magnetized, dense environment
The origin of the cosmic explosion “AT2018cow” discovered on June 16, 2018 is still controversial; it could have originated from a tidal disruption or from a s…
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…
