Topics November 26, 2020

The Subaru Telescope Hails Return of Hayabusa2

On November 20, 2020 (HST), the Subaru Telescope captured Hayabusa2 on its way back to Earth after exploring the asteroid (162173) Ryugu.

Science November 26, 2020

Earth Faster, Closer to Black Hole in New Map of Galaxy

Earth just got 7 km/s faster and about 2000 light-years closer to the supermassive black hole in the center of the Milky Way Galaxy. But don...

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Science October 28, 2020

Galaxies in the Infant Universe were Surprisingly Mature

Massive galaxies were already much more mature in the early universe than previously expected.

Science October 12, 2020

Studying the Sun as a Star to Understand Stellar Flares and Exoplanets

The sunspots cause some emissions to dim and others to brighten; the timing of the changes also varies between different types of emissions. This knowledge will help astronomers characterize the conditions of stars, which has important implications for finding exoplanets around those stars.

Science September 29, 2020

Second Alignment Plane of Solar System Discovered

Analytical investigation of the orbits of long-period comets shows that the aphelia of the comets, the point where they are farthest from the Sun, tend to fall close to either the well-known ecliptic plane where the planets reside or a newly discovered “empty ecliptic.”

Science September 25, 2020

Pair of Massive Baby Stars Swaddled in Salty Water Vapor

Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers spotted a pair of massive baby stars growing in salty cosmic soup.

Science September 16, 2020

Unraveling a Spiral Stream of Dusty Embers from a Massive Binary Stellar Forge

A team of astronomers was able to capture the spiral motion of newly formed dust streaming from the massive and evolved binary star system Wolf-Rayet (WR) 112.

Science September 15, 2020

Phosphine on Venus – A step forward to understand biomarker molecule

An international team of astronomers detected phosphine in the atmosphere of Venus.

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Topics September 11, 2020

Kilonova Research Wins 2019 PASJ Excellent Paper Award

A research paper identifying massive explosions known as kilonovae as sources of heavy elements, received the 2019 PASJ Excellent Paper Award.

Topics September 8, 2020

The 6-m Millimeter-Wave Radio Telescope Added to Japan Astronomical Heritage List

The 6-m Millimeter-Wave Radio Telescope, which laid the foundation for Japanese radio astronomy, has been added to the 2019 (second) Japan Astronomical Heritage list.