Density turbulence in the solar corona and solar wind is evident via the properties of solar radio bursts; angular scattering-broadening of extra-solar radio sources observed through the solar atmosphere, and can be measured ...
Astronomy
Nov 30, 2023
0
29
When spacecraft return to Earth, they don't need to shed all their velocity by firing retro-rockets. Instead, they use the atmosphere as a brake to slow down for a soft landing. Every planet in the solar system except Mercury ...
Space Exploration
Nov 28, 2023
0
17
In findings published in Proceedings of the National Academy of Sciences (PNAS), Saint Louis University researchers and colleagues report that elephants play a key role in creating forests which store more atmospheric carbon ...
Ecology
Jan 23, 2023
0
427
Magnetic reconnection is a universal process that changes magnetic topology and converts magnetic energy to plasma kinetic energy. Spatially resolved spectroscopic observations covering extended regions in the solar atmosphere ...
Astronomy
Jan 18, 2023
0
41
Hydrogen (H2) is currently discussed as an ideal energy carrier of renewable energies. Hydrogen has the highest gravimetric energy density of all chemical fuels (141 MJ/kg), which is three times higher than gasoline (46 MJ/kg). ...
Analytical Chemistry
Sep 5, 2022
0
740
Changes in atmospheric density after sunset can cause hot pockets of gas called "plasma bubbles" to form over the Earth's equator, resulting in communication disruptions between satellites and the Earth. New AI models are ...
Astronomy
Jul 15, 2022
1
21
A NASA sounding rocket soared high from a launchpad in Norway on Wednesday morning in a decades-old quest to understand the cause of a persistent dense patch of upper atmosphere on Earth's sun-facing side.
Space Exploration
Dec 6, 2021
0
36
An international team led by Professor Tian Hui from Peking University has recently measured the global magnetic field of the solar corona for the first time. The team used observations from the Coronal Multi-channel Polarimeter, ...
Space Exploration
Aug 25, 2020
3
31
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
