Science November 1, 2019

Worldwide Observations Confirm Nearby “Lensing” Exoplanet

Researchers using telescopes around the world confirmed and characterized an exoplanet orbiting a nearby star through a rare phenomenon known as gravitational microlensing.

Topics October 8, 2019

Saturn Surpasses Jupiter After Confirmation of 20 New Moons

Using the Subaru Telescope, a team led by Carnegie's Scott S. Sheppard of the Carnegie Institution for Science has officially "discovered" 20 new moons orbiting Saturn by characterizing their orbits.

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Topics October 4, 2019

Three gravitational-wave detectors sign agreement to begin joint observation. Collaboration will enable pinpointing origin of gravitational-wave events

The world’s three principal gravitational-wave detectors have signed a memorandum of agreement that covers scientific collaboration, including joint observation of gravitational waves and data sharing, for the coming years.

Science October 4, 2019

Massive Filaments Fuel the Growth of Galaxies and Supermassive Black Holes

An international group of scientists has used observations from the ESO Very Large Telescope (VLT) and the Subaru Telescope to make detailed observations of the filaments of gas connecting galaxies in a large proto-cluster in the early Universe.

Science September 27, 2019

Oldest Galaxy Protocluster forms “Queen’s Court”

Using the Subaru, Keck, and Gemini Telescopes, an international team of astronomers has discovered a collection of 12 galaxies which existed about 13.0 billion years ago.

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Topics September 9, 2019

2020 Breakthrough Prize in Fundamental Physics Awarded for First Image of a Black Hole

The 2020 Breakthrough Prize in Fundamental Physics has been awarded to the Event Horizon Telescope (EHT) Collaboration team.

Events September 6, 2019

Announcement of Holding Mitaka Open House Day 2019

Mitaka Open House Day 2019 will be held on Oct. 25 and 26, 2019.

Science August 8, 2019

ALMA Identified Dark Ancestors of Massive Elliptical Galaxies―Unexpected Hidden Galaxies Question Theories of Universe Evolution

Researchers using ALMA identified 39 faint galaxies that are not seen with the Hubble Space Telescope’s deepest view of the Universe 10 billion light-years away.

Science August 6, 2019

New Voyage to the Universe from DESHIMA - Japanese-Dutch Joint Development of Innovative Radio Receivers

Researchers in Japan and the Netherlands jointly developed an originative radio receiver DESHIMA and successfully obtained the first spectra and images with it.

Science July 24, 2019

Production Sites of Stars are Rare

Astronomers using the Nobeyama Radio Obeservatory 45-m telescope found that high-density gas, the material for stars, accounts for only 3% of the total mass of gas distributed in the Milky Way.