Sentences with phrase «clouds of hydrogen molecules»

Since stars are born when dense clouds of hydrogen molecules collapse, the rate of star formation and the availability of molecular hydrogen, the fuel for star formation, are inextricably linked.

Stars emerge when clouds of hydrogen molecules coalesce under their collective gravitational attraction.

Not exact matches

Hydrogen molecules aren't the best coolant, but they are good enough to enable giant gas clouds, millions of times as massive as the sun, to fall in on themselves.

A molecular cloud is an interstellar cloud of dust, gas, and a variety of molecules ranging from molecular hydrogen (H2) to complex, carbon - containing organics.

Complex organic molecules, consisting of carbon bonded with other elements like oxygen and hydrogen, are common in the Milky Way, but it was uncertain whether they would be produced in certain dwarf galaxies like the neighboring Large Magellanic Cloud.

The researchers detected molecules of carbon monoxide and two forms of hydrogen in the clouds, they report today in Astronomy & Astrophysics.

Detailed radio maps of nearby molecular clouds reveal that they are clumpy, with regions containing a wide range of densities — from a few tens of molecules (mostly hydrogen) per cubic centimetre to more than one million.

Herzberg continued to add to his major scientific discoveries: he was the first to detect the hydrogen molecule in planetary atmospheres, the first to uncover the presence of water in comets, and the first to identify dozens of free radicals (including methylene CH2 and methyl CH3) in the laboratory and interstellar clouds.