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…
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2020.03.20
COVID-19 (coronavirus) Measures at ALMA
With the current developments in Chile related to coronavirus, the ALMA Director decided to initiate preparations for the total shutdown of the Observatory. T…
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…
2020.02.19
ALMA Band 1 Receiver Manufacturing Readiness Review
The ALMA Band 1 receiver Manufacturing Readiness Review (MRR) was held on November 12-13, 2019. As part of the East-Asian ALMA Development program, the Band 1 …
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.…
2020.02.13
ALMA Data Analysis Workshop (Imaging for Pre-Intermediate Level)
From January 15 through 16, 2020, the NAOJ ALMA Project and Astronomy Data Center jointly organized ALMA Data Analysis Workshop on Imaging for pre-intermediate…
2020.02.10
NAOJ Public Talk/24th ALMA Public Talk
On Sunday, February 2, the NAOJ Public Talk/the 24th ALMA Public Talk was held at the Tokyo International Exchange Center (TIEC) in Koto, Tokyo. The talk event…
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…
2020.01.28
New Spectrometer for Morita Array CDMR
The East ALMA Development program has held an important milestone in the last month of 2019, in collaboration with our East Asian ALMA partners. The Critical D…
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…
2020.01.10
ALMA/45m/ASTE Users Meeting 2019
From December 18 through 19, 2019, ALMA/45m/ASTE Users Meeting was held at the NAOJ Mitaka campus. The meeting was attended by 109 users of ALMA, the Nobeyama …
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…
2019.12.19
NAOJ and NICT Sign Comprehensive Collaboration Agreement
The National Astronomical Observatory of Japan (NAOJ) and the National Institute of Information and Communications Technology (NICT) signed a comprehensive col…
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…
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2026 6.17
Toward a New Era of Astronomy: A New Step in Multi-Messenger Astronomy at Cosmological Distances - Gravitational Lensing Reveals a Connection Between Intense Star Formation 11 Billion Years Ago and High-Energy Neutrinos -
A remarkably bright galaxy affected by gravitational lensing, “Shadow Blaster,” was discovered through follow-up observ…
2026 6.9
Hiroaki Imada Receives the 2026 Shoichiro Yoshida Memorial Nikon Astronomy Achievement Award
The 2026 Shoichiro Yoshida Memorial Nikon Astronomy Achievement Award, presented by the Foundation for Promotion of Ast…
2026 5.22
Cosmic Chaos Beats Magnetism in the Birth of Massive Star Clusters
An international team of astronomers has discovered that chaotic turbulence, rather than orderly magnetic fields, is th…
