Science November 21, 2017

Uncovering the origins of galaxies’ halos

Using the Subaru Telescope atop Maunakea, researchers have identified 11 dwarf galaxies and two star-containing halos in the outer region of a large spiral galaxy 25 million light-years away from Earth.

Science November 17, 2017

Solar Minimum Surprisingly Constant - More than Half a Century of Observation yields New Discovery

Using more than half a century of observations, Japanese astronomers have discovered that the microwaves coming from the Sun at the minimums of the past five solar cycles have been the same each time, despite large differences in the maximums of the cycles.

Science November 10, 2017

Winds blowing off a dying star

Stars like our Sun eject large amounts of gas and dust into space, containing various elements and compounds. Asymptotic giant branch (AGB) ...

Science November 6, 2017

Forest of Molecular Signals in Star Forming Galaxy

Astronomers found a rich molecular reservoir in the heart of an active star-forming galaxy with the Atacama Large Millimeter/submillimeter Array (ALMA).

Science October 31, 2017

Minor Merger Kicks Supermassive Black Hole into High Gear

New images of Seyfert galaxy M77 (aka NGC 1068) taken with the Subaru Telescope suggest that a rouge super massive black hole from a galaxy cannibalized by M77 could be responsible for the falling gas powering M77’s active galactic nucleus.

Science October 20, 2017

Detection of intact lunar lava tubes in the data from SELENE (Kaguya) radar sounding

A 50-km long intact lava tube underground along a lava flow river “rille” on the Marius Hills of the Moon is detected using the data from the Lunar Radar Sounder onboard SELENE (Kaguya).

Science October 16, 2017

Astronomers Follow Gravitational Waves to Treasure

Astronomers have tracked down the source of a gravitational wave and discovered the first observed kilonova: a nuclear furnace 100 million times brighter than the Sun producing thousands of times the entire mass of the Earth in heavy elements such as precious metals.

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Science October 5, 2017

Surface Helium Detonation Spells End for White Dwarf

An international team of researchers has found evidence that the brightest stellar explosions in our Universe could be triggered by helium nuclear detonation near the surface of a white dwarf star.

Science September 29, 2017

Supersonic gas streams left over from the Big Bang drive massive black hole formation

An international team of researchers has successfully used a super-computer simulation to recreate the formation of a massive black hole from supersonic gas streams left over from the Big Bang.

Science September 28, 2017

First Detection of an Intermediate-Mass Black Hole Candidate in the Milky Way

With ALMA telescope, an intermediate-mass black hole candidate, having 100,000 solar mass, has been detected near the Galactic Center.