Science September 30, 2022

A Day at the Beach for Life on Other Worlds

New simulations show that truly Earth-like exoplanets with oceans and continents, and beaches along the boundaries, may be much more common around red dwarfs than previously expected. This means ongoing and future exoplanet survey missions can expect to find multiple Earth-analogs for further study before the end of the decade.

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Science September 9, 2022

Is Over-Eating to Blame for Bulges in Milky Way Bar?

A new simulation conducted on the world’s most powerful supercomputer dedicated to astronomy has produced a testable scenario to explain the appearance of the bar of the Milky Way. Comparing this scenario to data from current and future space telescopes will help clarify the evolution of our home Galaxy.

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.