The metallic asteroid Psyche has mystified scientists because it is less dense than it should be, given its iron-nickel composition. Now, a new theory could explain Psyche's low density and metallic surface.
Astronomy
Sep 16, 2019
4
143
A KAIST research team successfully identified the underlying principles behind electron heating, which is one of the most important phenomena in plasmas. As the electric heating determines wide range of physical and chemical ...
Plasma Physics
Sep 10, 2018
0
33
Aurora light emission appears at high altitudes in the range 100-300 km in the polar atmosphere. Auroras are caused by energetic particles precipitating from space near the Earth.Auroral particle precipitation can induce ...
Space Exploration
Apr 9, 2018
0
12
Variations in the amount of oxygen in Earth's atmosphere significantly altered global climate throughout the planet's history. Efforts to reconstruct past climates must include this previously overlooked factor, a new University ...
Earth Sciences
Jun 11, 2015
17
1311
The National Institutes of Natural Sciences, National Institute for Fusion Science and The University of Tokyo Graduate School of Frontier Sciences Department of Advanced Materials Science research group have developed an ...
Plasma Physics
Jun 2, 2015
0
46
NASA's Mars Atmosphere and Volatile Evolution has completed the first of five deep-dip maneuvers designed to gather measurements closer to the lower end of the Martian upper atmosphere.
Space Exploration
Feb 19, 2015
1
747
As the end of its eight-year adventure at Venus edges ever closer, ESA scientists have been taking a calculated risk with the Venus Express spacecraft in order to carry out unique observations of the planet's rarefied outer ...
Space Exploration
Nov 12, 2014
0
0
(Phys.org) —After a month surfing in and out of the atmosphere of Venus down to just 130 km from the planet's surface, ESA's Venus Express is about to embark on a 15 day climb up to the lofty heights of 460 km.
Space Exploration
Jul 14, 2014
4
0
On April 3rd, 2014, a satellite carrying a U.S. Naval Research Laboratory (NRL) space weather instrument will launch from Vandenberg Air Force Base. Called the Special Sensor Ultraviolet Limb Imager (SSULI), "SSULI makes ...
Space Exploration
Mar 31, 2014
0
0
To date, scientists have confirmed the existence of more than 900 exoplanets circulating outside our solar system. To determine if any of these far-off worlds are habitable requires knowing an exoplanet's mass—which can ...
Astronomy
Dec 19, 2013
0
0
