October 2016
The dwarf galaxy problem
...it. In this image every object is a galaxy. This neutral hydrogen gas emits radio waves with a wavelength of 21cm and is ... is an extension of the Magellanic stream. This is a hydrogen stream that crosses the sky, originating at the Magellanic clouds ...
29 October 2018
A rare discovery helps scientists measure a key process in star formation
... on in the cloud. However, it is the formation of molecular hydrogen (H2) that is the critical factor because this goes hand in hand... able to measure how long it takes atomic hydrogen to form molecular hydrogen. The answer is around 6 million years. ...
January 2023
Producing food in space
... about 50 kWh of energy to produce 1 kg of Solein, almost all of this energy is spent on splitting water into oxygen and hydrogen via electrolysis. This is still 10 times more efficient when compared to plants and any spacecraft environmental control...
14 April 2017
Cassini finds evidence for hydrothermal vent activity on Enceladus
... current observations researchers have determined that nearly 98 percent of the gas in the plume is water, about 1 percent is hydrogen and the rest is a mixture of other molecules including carbon dioxide, methane and ammonia. And although Cassini...
April 2026
Exploring Mars – the key issues
... needed for human survival and technology is oxygen. We need it with a buffer gas like nitrogen to breathe, with hydrogen as water to drink and as an oxidiser for rocket fuel. Oxygen is heavy, making it expensive to deliver from Earth. Obtaining...
01 February 2016
Enormous gas cloud on a collision course with the Milky Way
...by radio waves emitted by the changing energy states of neutral hydrogen atoms in the cloud. The gaseous halo of the Milky ...for the first time the amount of heavier elements relative to hydrogen in the Smith Cloud, by measuring the dip in brightness...
