Where did Earth's nitrogen come from? Rice University scientists show one primordial source of the indispensable building block for life was close to home.
Astronomy
Jan 21, 2021
1
138
Planets are formed from the disk of gas and dust around a star, but the mechanisms for doing so are imperfectly understood. Gas is the key driver in the dynamical evolution of planets, for example, because it is the dominant ...
Astronomy
Dec 21, 2020
0
174
A long time ago—roughly 4.5 billion years—our sun and solar system formed over the short time span of 200,000 years. That is the conclusion of a group of Lawrence Livermore National Laboratory (LLNL) scientists after ...
Astronomy
Nov 13, 2020
54
37380
An international group of astronomers, led by Martin Schlecker of the Max Planck Institute for Astronomy, has found that the arrangement of rocky, gaseous and icy planets in planetary systems is apparently not random and ...
Astronomy
Oct 13, 2020
1
5753
Using some cosmic detective work, a team of researchers has found evidence that tiny pieces of asteroids from the inner solar system may have crossed a gap to the outer solar system, a feat once thought to be unlikely.
Space Exploration
Aug 06, 2020
1
3225
Planet-forming environments can be much more complex and chaotic than previously expected. This is evidenced by a new image of the star RU Lup, made with the Atacama Large Millimeter/submillimeter Array (ALMA).
Astronomy
Aug 03, 2020
0
225
An international team of astronomers has captured 15 images of the inner rims of planet-forming disks located hundreds of light-years away. These disks of dust and gas, similar in shape to a music record, form around young ...
Astronomy
Apr 30, 2020
2
3118
A galactic visitor entered our solar system last year—interstellar comet 2I/Borisov. When astronomers pointed the Atacama Large Millimeter/submillimeter Array (ALMA) toward the comet on 15 and 16 December 2019, for the ...
Astronomy
Apr 20, 2020
2
4249
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have found striking orbital geometries in protoplanetary disks around binary stars. While disks orbiting the most compact binary star systems share ...
Astronomy
Mar 19, 2020
1
957
An international team of astronomers used two of the most powerful radio telescopes in the world to create more than three hundred images of planet-forming disks around very young stars in the Orion Clouds. These images reveal ...
Astronomy
Feb 20, 2020
6
686
