Science August 1, 2022

Super-Earth Skimming Habitable Zone of Red Dwarf

A super-Earth planet has been found near the habitable zone of a red dwarf star only 37 light-years from the Earth. This is the first discovery by a new instrument on the Subaru Telescope and offers a chance to investigate the possibility of life on planets around nearby stars. With such a successful first result, we can expect that the Subaru Telescope will discover more, potentially even better, candidates for habitable planets around red dwarfs.

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Science July 22, 2022

Measuring the Universe with Star-Shattering Explosions

An international team of 23 researchers led by Maria Dainotti, Assistant Professor at the NAOJ, has analyzed archive data for powerful cosmic explosions from the deaths of stars and found a new way to measure distances in the distant Universe.

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Science July 21, 2022

Artificial Intelligence Solves the Mysteries of the Universe

A new technique combining artificial intelligence trained by supercomputer simulations and astronomy Big Data has enabled astronomers to analyze data with undreamed of speed to determine the unknown characteristics of the Universe.

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Science July 13, 2022

Brief Encounter with Mysterious Heavenly Event

Astronomers announced a different kind of brief cosmic encounter.

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Science July 1, 2022

Galaxy Revving-up in the Early Universe

Astronomers have observed signs of rotation in a galaxy which existed a mere 500 million years after the Big Bang. This is by far the earliest galaxy with possible rotation. This is an important example for understanding the early development of galaxies.

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Science June 30, 2022

Independent Reanalysis of the M87 Galactic Center Radio Observational Data

An independent reanalysis of the Event Horizon Telescope (EHT)’s observational data for the center of the elliptical galaxy M87 has produced images with different features, according to a new study. This study is part of the research process in modern science, in which observational data and analysis methods are open to the public and reviewed and discussed in various communities of researchers to produce more credible results.

Science June 15, 2022

Near-Sun Comet Roasted to Death

Astronomers using a fleet of world leading telescopes on the ground and in space have captured images of a periodic rocky near-Sun comet breaking apart. This is the first time such a comet has been caught in the act of disintegrating and could help explain the scarcity of such periodic near-Sun comets.

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Science June 8, 2022

Yoyo Stars Responsible for Off-Center Bubbles

Astronomers have developed a new code to simulate the formation of a cluster of baby stars. Comparison with the well-known real case of the Orion Nebula shows that its off-center bubble of ionized gas was caused by a massive star that was pushed out of the newborn cluster but is now falling back in.

Science May 27, 2022

Supermassive Black Holes Inside of Dying Galaxies Detected in Early Universe

An international team of astronomers used a database combining observations from the best telescopes in the world, including the Subaru Telescope, to detect the signal from the active supermassive black holes of dying galaxies in the early Universe. The appearance of these active supermassive black holes correlates with changes in the host galaxy, suggesting that a black hole could have far reaching effects on the evolution of its host galaxy.

Science May 12, 2022

Astronomers reveal first image of the black hole at the heart of our galaxy

Astronomers have unveiled the first image of the supermassive black hole at the centre of our own Milky Way galaxy. This result provides overwhelming evidence that the object is indeed a black hole and yields valuable clues about the workings of such giants, which are thought to reside at the centre of most galaxies. The image was produced by a global research team called the Event Horizon Telescope (EHT) Collaboration, using observations from a worldwide network of radio telescopes.

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