The production of chlorofluorocarbons, which damage the ozone layer, has been banned as far as possible. However, other substances can also tear holes in the ozone layer in combination with ice particles, such as those found ...
Condensed Matter
Dec 7, 2018
0
77
A new study led by scientists from the Instituto de Astrofísica de Canarias (IAC) reveals that the giant exoplanet WASP-69b carries a comet-like tail made up of helium particles escaping from its gravitational field and ...
Astronomy
Dec 6, 2018
1
170
Earth is constantly being hammered by charged particles emitted by the sun with enough power to make life on Earth almost impossible. Life is only possible because Earth's magnetic field traps and deflects these particles, ...
Space Exploration
Aug 10, 2018
2
52
For almost 10 years, astronomers have been studying a mysterious diffuse radiation coming from the centre of our galaxy. Originally, it was thought that this radiation could originate from the elusive dark matter particles ...
Astronomy
Aug 6, 2018
4
1121
DESY scientists have created a miniature particle accelerator for electrons that can perform four different functions at the push of a button. The experimental device is driven by a terahertz radiation source and can accelerate, ...
Optics & Photonics
Apr 4, 2018
0
267
Dark matter is increasingly puzzling. Around the world, physicists have been trying for decades to determine the nature of these matter particles, which do not emit light and are therefore invisible to the human eye. Their ...
General Physics
Feb 8, 2018
17
242
In April and July 2014, the Sun emitted three jets of energetic particles into space, that were quite exceptional: the particle flows contained such high amounts of iron and helium-3, a rare variety of helium, as have been ...
Astronomy
Jan 11, 2018
0
32
A 60-year-old mystery regarding the source of some energetic and potentially damaging particles in Earth's radiation belts is now solved using data from a shoebox-sized satellite built and operated by University of Colorado ...
Space Exploration
Dec 13, 2017
0
954
Space may seem empty, but it's actually a dynamic place populated with near-invisible matter, and dominated by forces, in particular those created by magnetic fields. Magnetospheres—the magnetic fields around most planets—exist ...
Space Exploration
Nov 1, 2017
0
731
The radiation belts of Earth and Saturn differ more strongly than previously assumed. In these belts, very energetic particles, such as electrons and protons, move around the planet at high velocities - captured by its magnetic ...
Space Exploration
Oct 30, 2017
0
517
