The discovery of more than 4,500 extra-solar planets has created a need for modelling their interior structure and dynamics. As it turns out, iron plays a key role.
Planetary Sciences
Jan 14, 2022
0
125
A combined team of researchers from the Jet Propulsion Laboratory, California Institute of Technology and the Royal Observatory of Belgium, has found evidence that Mars has a Chandler wobble. In their paper published in the ...
Even by the wild standards of the outer solar system, the strange orbits that carry Neptune's two innermost moons are unprecedented, according to newly published research.
Astronomy
Nov 15, 2019
4
3796
How do you explore the interior of a planet without ever touching down on it? Start by watching the way the planet spins, then measure how your spacecraft orbits it—very, very carefully. This is exactly what NASA planetary ...
Space Exploration
Apr 17, 2019
1
505
For the second time this year, the five brightest planets can be seen at the same time. You can catch them by looking towards the western sky after sunset. The planets will form a line rising up from the horizon.
Space Exploration
Oct 12, 2018
1
7445
One year ago, I wrote an article about the remarkable discovery of the TRAPPIST-1 planetary system, a system of seven temperate terrestrial planets orbiting an ultra-cool red dwarf star. This was an enormous astronomical ...
Astronomy
Apr 25, 2018
1
48
An international research team led by Université de Montréal astrophysicist Lauren Weiss has discovered that exoplanets orbiting the same star tend to have similar sizes and a regular orbital spacing. This pattern, revealed ...
Astronomy
Jan 9, 2018
4
540
Three times further away from the sun than the Earth lies an enormous lump of metal. Around 252km in diameter, the metallic "M-class" asteroid 16 Psyche is the target of NASA's next mission to the belt of giant rocks that ...
Space Exploration
Dec 4, 2017
9
20
(Phys.org)—As a result of NASA's Spitzer Space Telescope observations of a microlensing event, astronomers have found an extremely massive alien world circling a star located in the Milky Way's bulge. The newly discovered ...
(Phys.org)—A pair of researchers with Université de Bordeaux has proposed a new theory to explain the origin of the asteroid belt. In their paper published in Science Advances, Sean Raymond and Andre Izidoro describe their ...
