Molecular hydrogen (H2) makes up 99 percent of the cold, dense gas in galaxies. So mapping where stars are born basically means measuring H2, which lacks a strong characteristic signature at low temperatures. Astronomers ...
Astronomy
Nov 6, 2019
0
831
In the quest for renewable fuels, scientists are taking lessons from a humble bacterium that fills our oceans and covers moist surfaces the world over. While the organism captures light to make food in a process called photosynthesis, ...
Biochemistry
Nov 11, 2015
4
917
What if industrial waste water could become fuel? With affordable, long-lasting catalysts, water could be split to produce hydrogen that could be used to power fuel cells or combustion engines. By conducting complex simulations, ...
Materials Science
Jun 13, 2016
0
9
(Phys.org) -- Astronomers used to think that star formation simply involved the gradual coalescence of material under the influence of gravity. No longer. Making a new star is a complex process, among other things assembling ...
Astronomy
May 28, 2012
4
0
Enceladus is the tiny moon of Saturn that seems to have it all. Its icy surface is intricately carved by ongoing geological processes. Its icy shell overlies an internal, liquid ocean. There, chemically charged warm water ...
Astrobiology
Jun 18, 2023
2
45
(Phys.org) —A multi-year study of the Whirlpool galaxy (M51) has changed our understanding of giant molecular clouds, in which stars are born. The new study, which mapped 1,500 such clouds, shows that, instead, they are ...
Astronomy
Dec 12, 2013
4
0
Shockwaves resulting from the violent collision between an intruder galaxy and Stephan's Quintet are helping astronomers to understand how turbulence influences gas in the intergalactic medium.
Astronomy
Jan 9, 2023
1
108
Astronomers have shed fresh light on the importance of hydrogen atoms in the birth of new stars.
Astronomy
Oct 10, 2017
1
93
(Phys.org)—Pushing protons around may sound like a small task, but it is a big part of energy independence for the United States. Moving four relatively large protons to where they are needed is easier if you build a path, ...
Materials Science
Jan 3, 2013
0
0
New scanning technology which will give a much clearer picture of lung disease has taken a major step forward thanks to scientists at The University of Nottingham.
General Physics
Mar 10, 2016
0
50
