Science December 15, 2022

Machine Learning Reveals How Black Holes Grow

Machine learning has deduced the rules governing the relationship between the growth of a galaxy and the growth of the supermassive black hole at its center. The tight correlation between the two growth rates found in this research confirms a decades-old theory.

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Science November 22, 2022

International Team Observes Innermost Structure of Quasar Jet

An international team of scientists has observed the narrowing of a quasar jet for the first time by using a network of radio telescopes across the world. The results suggest that the narrowing of the jet is independent of the activity level of the galaxy which launched it.

Science November 14, 2022

Gold-rich Stars Came from Ancient Galaxies

Recently, hundreds of gold-rich stars have been detected by state-of-the-art telescopes worldwide. New simulations of galaxy formation, with the highest resolution in both time and mass, show that these gold-rich stars formed in progenitor galaxies, small galaxies which merged to create the Milky Way.

Science October 27, 2022

Rare Earth Element Synthesis Confirmed in Neutron Star Mergers

A group of researchers has, for the first time, identified rare earth elements produced by neutron star mergers.

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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