Cataclysmic Neutron Star Mergers and the Origin of Elements in the Universe
Neutron star mergers have been confirmed to synthesize rare Earth elements. For the first time, a group of scientists has identified rare earth elements produced…
NAOJ News
Earth-Like Exoplanets May Be More Common Than Previously Thought
A day at the beach for life on other planets. According to new simulations, fully Earth-like exoplanets with oceans and continents, as well as beaches…
Cosmic Explosions: New Way To Measure the Distant Universe
Using star-shattering explosions to measure the universe. An multinational team of 23 scientists, led by Maria Dainotti, Assistant Professor at the National Astronomical Observatory of…
Stellar “Ashfall” Could Help Distant Planets Grow – 3D Simulation Provides Insights on Protoplanetary Mystery
The world’s first 3D simulation simultaneously considering dust motion and growth in a disk around a young star has shown that large dust from the…
Unknown Physics on the Cosmic Scale? 1000 Supernova Explosions Chart the Expansion History of the Universe
An international research team analyzed a database of more than 1000 supernova explosions and found that models for the expansion of the Universe best match…
Astronomers Spot Stellar Eggs Near Center of the Milky Way Hatching Into Baby Stars
Astronomers found a number of stellar eggs containing baby stars around the center of the Milky Way using the Atacama Large Millimeter/submillimeter Array (ALMA). Previous…
Jets of Hot Gas Detected Blasting Out From Black Hole at the Heart of the Phoenix Galaxy Cluster
Radio astronomers have detected jets of hot gas blasted out by a black hole in the galaxy at the heart of the Phoenix Galaxy Cluster,…
A Fireball Flew Over Kyoto, Japan – Now Scientists Know What It Was and Where It Came From
At around 1 a.m. local standard time on April 29, 2017, a fireball flew over Kyoto, Japan. Compared to other fireballs spotted from Earth, it…
Astronomers Analysis Reveals Outbound Comets Likely of Alien Origin
Astronomers at the National Astronomical Observatory of Japan (NAOJ) have analyzed the paths of two objects heading out of the Solar System forever and determined…
First Dataset from Subaru Telescope HSC Viewer Released to the Public
The first dataset from the Hyper Suprime-Cam Subaru Strategic Plan (HSC-SSP) can be seen easily with the “HSC Viewer” on your PC or tablet. The…
Astronomers Reveal Evidence for Higher Black Hole Spin in Radio-Loud Quasars
Statistical analysis of supermassive black holes suggests that the spin of the black hole may play a role in the generation of powerful high-speed jets…
Subaru Telescope Helps Create the Most-Extensive Map of Neutral Hydrogen Gas in the Early Universe
Using the Subaru Telescope, astronomers create the most-extensive map of neutral hydrogen gas in the early universe. Scientists have used the Suprime-Cam on the Subaru…
Astronomers Detect Signs of an Invisible Black Hole at the Center of the Milky Way
Using the Nobeyama Radio Telescope, a team of astronomers has detected signs of an invisible black hole with a mass of 100 thousand times the…
Subaru Telescope Reveals Active Supermassive Black Holes in Merging Galaxies
Astronomers used the Subaru Telescope to study active supermassive black holes in merging galaxies, revealing that local physical conditions near SMBHs rather than general properties…
ALMA Discovers a Protostar Surrounded by a Large Hot Gas Cloud
An international team of astronomers has observed an infrared dark cloud surrounding a baby star that is about ten times larger than those found around…
Observations Indicate Super-Earth GJ 1214 b Has a Water-Rich Atmosphere
New Subaru Telescope observations of super-Earth GJ 1214 b show that the exoplanet is likely to have a water-rich atmosphere. A Japanese research team of…
Astronomers Observe a Possible Planet-Forming Disk around the Young Star RY Tau
Astronomers used the Subaru Telescope to observe a disk around the young star RY Tau, finding that a “fluffy” layer above the disk appears to…
Scientists Measure the Expansion Velocity of Supernova Remnant W44 Shockwave
Using the 45m Telescope at Nobeyama Radio Observatory and the 10m ASTE telescope, scientists were able to make high-sensitivity video imaging observations of the full…
