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  2. Hycean planet - Wikipedia

    en.wikipedia.org/wiki/Hycean_planet

    The term "hycean planet" was coined in 2021 by a team of exoplanet researchers at the University of Cambridge, as a portmanteau of "hydrogen" and "ocean," used to describe planets that are thought to have large oceans and hydrogen-rich atmospheres.

  3. Timeline of hydrogen technologies - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_hydrogen...

    1937 – The first hydrogen-cooled turbogenerator goes into service at Dayton, Ohio. 1938 – The first 240 km hydrogen pipeline Rhine-Ruhr. [13] 1938 – Igor Sikorsky from Sikorsky Aircraft proposes liquid hydrogen as a fuel. 1939 – Rudolf Erren – Erren engine – US patent 2,183,674 – Internal combustion engine using hydrogen as fuel.

  4. Origin of water on Earth - Wikipedia

    en.wikipedia.org/wiki/Origin_of_water_on_Earth

    The deuterium to hydrogen ratio for ocean water on Earth is known very precisely to be (1.5576 ± 0.0005) × 10 −4. [35] This value represents a mixture of all of the sources that contributed to Earth's reservoirs, and is used to identify the source or sources of Earth's water.

  5. Hydrogen - Wikipedia

    en.wikipedia.org/wiki/Hydrogen

    Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules with the formula H 2, sometimes called dihydrogen, [11] but more commonly called hydrogen gas, molecular hydrogen or simply hydrogen.

  6. Deuterium - Wikipedia

    en.wikipedia.org/wiki/Deuterium

    The 62-ton Ivy Mike device built by the United States and exploded on 1 November 1952, was the first fully successful hydrogen bomb (thermonuclear bomb). In this context, it was the first bomb in which most of the energy released came from nuclear reaction stages that followed the primary nuclear fission stage of the atomic bomb. The Ivy Mike ...

  7. Chinese scientists use lunar soil to produce water, state ...

    www.aol.com/news/chinese-scientists-lunar-soil...

    Chinese scientists have discovered a "brand-new method" of producing large quantities of water using lunar soil brought back from a 2020 expedition, state broadcaster CCTV reported on Thursday. In ...

  8. Marine biogeochemical cycles - Wikipedia

    en.wikipedia.org/wiki/Marine_biogeochemical_cycles

    The six aforementioned elements are used by organisms in a variety of ways. Hydrogen and oxygen are found in water and organic molecules, both of which are essential to life. Carbon is found in all organic molecules, whereas nitrogen is an important component of nucleic acids and proteins.

  9. Earliest building blocks of the Milky Way discovered near its ...

    www.aol.com/galactic-archaeology-reveals-two...

    The Milky Way started out small and grew in size as it merged with other galaxies, gaining stars as well as hydrogen to form more stars. Each galaxy has hydrogen gas that aids in the birth of stars.