8 sentences with 'helium'
Example sentences and phrases with the word helium and other words derived from it.
• « Professor Hoyle and two of his colleagues showed that literally everything - including the atoms in our bodies - is made from the hydrogen and helium found inside stars. »
• « Please use your oxygen tubes and masks: the atmosphere of this planet is more than a little thick, and is composed of molecular hydrogen gas and helium gas. »
• « Hidden among the inert rocks and pale surface of the Moon is helium-3, an energy panacea that could electrify future lunar bases and also the Earth with a great advantage: it produces no acid rain, no greenhouse effect, no solid waste and its radioactivity would be very low. »
• « Huge machines will process the lunar rocks to separate the helium-3 from hydrogen, oxygen, carbon, nitrogen and some water molecules. »
• « Twenty-five tonnes of helium-3 can provide as much electricity as the United States consumes in an entire year. And that cargo fits into the holds of a space shuttle. »
• « The enigma planet Neptune, composed of ice, hydrogen and helium, has, according to theorists, a rocky core several times larger than Earth's, surrounded by huge layers of ice and covered by a deep ocean of liquid molecular hydrogen. »
• « The basic composition of these sidereal clouds called nebulae is: hydrogen and helium for the most part, with infinitesimal parts of carbon, oxygen, calcium, sodium and nitrogen. »
• « When the Earth formed, it lost almost all of its hydrogen and helium, the building blocks of the universe. The interaction of cosmic rays with the few atoms of carbon, sulphur, nitrogen and a few others resulted in the breaking of their molecular chemical bonds. These molecules, once "divorced" from each other, collided to form new molecules, such as hydrogen cyanide, ammonia and water. »