Topics March 13, 2020

NAOJ Statement on the Potential Impairment of Astronomical Observations by Satellite Mega-Constellations

We believe that our primary mission is to work side-by-side with the IAU and other astronomical observatories around the world, in asking for the cooperation of satellite-related businesses to seek possible solutions.

Science March 9, 2020

Safety Zone Saves Giant Moons from Fatal Plunge

Numerical simulations showed that the temperature gradient in the disk of gas around a young gas giant planet could play a critical role in the development of a satellite system dominated by a single large moon, similar to Titan around Saturn.

Science March 5, 2020

ALMA Spots Metamorphosing Aged Star

An international team of astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) captured the very moment when an old star first starts to alter its environment.

This article is including a link to a article for kids.

Topics February 19, 2020

GALAXY CRUISE—Your Galactic Journey as a Citizen Scientist

GALAXY CRUISE is the first citizen science project conducted by NAOJ. Why don’t you embark on a journey to explore galaxies with astronomers?

Science February 14, 2020

Galactic Cosmic Rays Affect Titan’s Atmosphere

Planetary scientists using ALMA revealed the secrets of the atmosphere of Titan.

Topics February 7, 2020

Japanese Amateur Astronomers Discover New Nova in Sagittarius

A new 11th-magnitude nova has been discovered.

Topics February 6, 2020

Dr. Masami Ouchi named as a Highly Cited Researcher 2019

Dr. Masami Ouchi, a professor at the NAOJ, Division of Science, has been named as a Highly Cited Researcher 2019 by Clarivate Analytics.

Science February 5, 2020

Artificial Intelligence tool developed to predict the structure of the Universe

A team of researchers used the world’s fastest astrophysical simulation supercomputers ATERUI and ATERUI II to develop the Dark Emulator.

Topics January 31, 2020

A new-year’s message from the Director General, NAOJ

A new-year’s message from the Director General of NAOJ, Dr. Saku Tsuneta

Science January 17, 2020

Here and Gone: Outbound Comets are Likely of Alien Origin

Astronomers at the NAOJ have analyzed the paths of two objects heading out of the Solar System forever and determined that they also most likely originated from outside of the Solar System.

This article is including a link to a article for kids.