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…
NAOJ
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…
Scientists Observe the Atmosphere of Super Earth Exoplanet GJ3470b
Using two telescopes at Okayama Astrophysical Observatory, scientists have observed the atmosphere of super-Earth exoplanet GJ3470b for the time, measuring the planetary mass, radius, and…
New Insights into How Retrograde Planets May Form and Endure
Astronomers continue to research the HAT-P-7 planetary system, looking for new insights into how retrograde planets may form and endure. Astronomers have used the Subaru…
HiCIAO Helps Reveal the Structure of Protoplanetary Disks
By masking the bright light from a central star, HiCIAO can detect the detailed features of a star’s disk and the objects that it contains,…
ULIRG Arp 220 Developed from a Multiple Merger of Four or More Galaxies
Using data from the Subaru Telescope and optical spectroscopy from the W. M. Keck Observatory, astronomers concluded that the ultraluminous infrared galaxy Arp 220 developed…