Astrophysical Journal

News

Optical image of Titan taken by NASA Cassini spacecraft.
14 Feb 2020
Planetary scientists using ALMA revealed the secrets of the atmosphere of Titan, the largest moon of Saturn.
ALMA and NASA/ESA Hubble Space Telescope image of a young galaxy surrounded by a gaseous carbon cocoon.
16 Dec 2019
Researchers have discovered gigantic clouds of gaseous carbon more than a radius of 30,000 light-years around young galaxies using ALMA.
Artist's impression of planets orbiting a supermassive black hole.
25 Nov 2019
Theoreticians in two different fields defied the common knowledge that planets orbit stars like the Sun. They proposed the possibility of thousands of planets around a supermassive black hole.
ALMA images of two molecular clouds: N159E-Papillon Nebula (left) and N159W South (right).
14 Nov 2019
Two peacock-shaped gaseous clouds were revealed in the Large Magellanic Cloud by observations with Atacama Large Millimeter/submillimeter Array.
ALMA image of the dusty disk around the young star DM Tau
13 Mar 2019
Researchers spotted the formation sites of planets around a young star resembling our Sun. Two rings of dust around the star, at distances comparable to the asteroid belt and the orbit of Neptune in our Solar System, suggest that we are witnessing the formation of a planetary system similar to ours.
Artist’s impression of a kilonova caused by a neutron star merger
13 Mar 2019
A team of experts in nuclear fusion and astronomy has computed high-accuracy atomic data for analyzing light from a kilonova, a birth place of heavy elements. They found that their new data set could predict kilonovae brightness with much better accuracy than before. This aids our understanding of the cosmic origins of heavy elements.
ALMA image of the protostar MMS5/OMC-3
26 Feb 2019
Astronomers have unveiled the origins of two different gas streams from a baby star. Using ALMA, they found that the slow outflow and the high speed jet from a protostar have misaligned axes and that the former started to be ejected earlier than the latter. These indicate that streams were launched from different parts of disk around the protostar.
image1
30 Nov 2018
Based on computer simulations and new observations from ALMA, researchers have found that the rings of gas surrounding active supermassive black holes are not simple donut shapes. Instead, gas expelled from the center interacts with infalling gas to create a dynamic circulation pattern, similar to a water fountain in a city park.

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