Chemical analyses of meteorites allow for a better estimation of the chemical composition of the Earth and its potential building blocks. That is the result of a study conducted by a research team from the Institutes of Geology ...
Earth Sciences
Jun 5, 2019
0
35
The Milky Way galaxy has died once before, and we are now in what is considered its second life. Calculations by Masafumi Noguchi (Tohoku University) have revealed previously unknown details about the Milky Way. These were ...
Astronomy
Aug 22, 2018
7
844
Researchers at the National Research Nuclear University MEPhI (Russia) have found a way to operate laser mass-spectrometers in a new mode to determine the elemental composition of materials without using so-called standard ...
Analytical Chemistry
Mar 6, 2018
0
6
The spots on the surface on the sun come and go with an 11-year periodicity known as the solar cycle. The solar cycle is driven by the solar dynamo, which is an interplay between magnetic fields, convection and rotation. ...
Astronomy
Jan 8, 2018
3
143
Scientists at ANU have produced the best estimate of Earth's elemental composition which will help them understand how the Earth formed 4.6 billion years ago.
Earth Sciences
Sep 18, 2017
0
17
The elemental composition of the Sun's hot atmosphere known as the 'corona' is strongly linked to the 11-year solar magnetic activity cycle, a team of scientists from UCL, George Mason University and Naval Research Laboratory ...
Space Exploration
Aug 3, 2017
5
390
All over the world, engineers are beset by a niggling problem: when materials get hot, they expand.
Materials Science
Jun 9, 2016
0
30
The Gamma Ray and Neutron Detector (GRaND) aboard NASA's Dawn spacecraft is mapping the elemental composition of Ceres in a low altitude orbit, about 240 miles (385 kilometers) above the surface of the dwarf planet.
Space Exploration
Mar 23, 2016
0
21
All of the chemical elements that are heavier than carbon, the oxygen we breathe, the silicon that makes up the sand on the beach, were produced inside stars through nuclear fusion and released by stellar explosions called ...
Astronomy
Oct 23, 2015
8
189
In two recently published articles, researchers from Instituto de Astrofísica e Ciências do Espaço (IA) show that the ratio of some heavy elements in a star, like Magnesium (Mg), Silicon (Si) and Iron (Fe), have a crucial ...
Astronomy
Sep 18, 2015
1
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