There are about 4433 exoplanets in the latest catalogs. Their radii have generally been measured by knowing the radius of their host star and then closely fitting the lightcurves as the planet transits across the face of ...
Astronomy
Sep 24, 2018
2
217
There may be more habitable planets in the universe than we previously thought, according to Penn State geoscientists, who suggest that plate tectonics—long assumed to be a requirement for suitable conditions for life—are ...
Astronomy
Jul 30, 2018
3
668
A team of researchers with Keele University in the U.K. has described one of the darkest planets ever observed. In their paper uploaded to the arXiv preprint server, the team describes the planet and where it appears to stand ...
Hydrogen sulfide, the gas that gives rotten eggs their distinctive odor, permeates the upper atmosphere of the planet Uranus - as has been long debated, but never definitively proven. Based on sensitive spectroscopic observations ...
Astronomy
Apr 23, 2018
8
361
The first interstellar object ever seen in our solar system, named 'Oumuamua, is giving scientists a fresh perspective on the development of planetary systems. A new study by a team including astrophysicists at NASA's Goddard ...
Space Exploration
Mar 27, 2018
6
70
Brown dwarfs, the larger cousins of giant planets, undergo atmospheric changes from cloudy to cloudless as they age and cool. A team of astronomers led by Carnegie's Jonathan Gagné measured for the first time the temperature ...
Astronomy
Feb 27, 2018
3
64
NASA is beginning to design its next big astrophysics mission, a space telescope that will provide the largest picture of the universe ever seen with the same depth and clarity as the Hubble Space Telescope.
Astronomy
Dec 22, 2017
4
1059
(Phys.org)—John Chambers, a planetary scientist with the Department of Terrestrial Magnetism at Carnegie Institution has suggested a new theory regarding the formation of gas giant planets. In his paper uploaded to the ...
New work from a team of Carnegie scientists (and one Carnegie alumnus) asked whether any gas giant planets could potentially orbit TRAPPIST-1 at distances greater than that of the star's seven known planets. If gas giant ...
Astronomy
Sep 5, 2017
0
104
A team of Dutch astronomers, led by Thomas Wijnen from Radboud University, has managed to tilt and shrink gaseous disks, in which planets form, in a virtual wind tunnel. The research helps in finding an explanation for the ...
Astronomy
Aug 28, 2017
0
53
