Sentences with phrase «light hydrogen atoms»

However, when water molecules are broken by the stellar radiation into hydrogen and oxygen, the relatively light hydrogen atoms can escape the planet.
Because of Mars» relatively low gravity, the planet wasn't able to hold onto the very light hydrogen atoms, but the heavier oxygen atoms remained behind.

Not exact matches

A fusion power plant, on the other hand, will generate energy by fusing atoms of deuterium and tritium, two isotopes of hydrogen — the lightest element.
The hydrogen atoms fuse together into heavier and heavier elements and in the fusion process the star emits radiation in the form of light, that is, energy.
Hydrogen atoms contained in water readily bond with the heavy isotope to form hydrochloric acid gas, which then leaks into space — leaving more of the lighter isotope behind.
The «H» in HERA stands for hydrogen, and the instrument's antennas are tuned to detected a wavelength of light emitted by hydrogen atoms.
The second - stage reaction strips off the fatty acids» carboxyl group (a carbon atom, two oxygen atoms, and a hydrogen atom) and breaks the remaining hydrocarbon chains into smaller fragments, yielding a light oil.
One key test of matter - antimatter symmetry is to compare the frequencies of light absorbed by hydrogen and antihydrogen atoms.
When this light encounters hydrogen atoms still lingering in the stellar nursery that produced the stars, the atoms become ionised.
Accordingly, the vast, cloud - like objects that glow with this light from hydrogen (and other) atoms are known as emission nebulae.
In the future, Goulielmakis hopes to produce light pulses of 24 attoseconds, the atomic unit of time, defined as how long it takes an electron to travel from one side of a hydrogen atom to the other.
After fixing the molecular engine to the car's chassis and shining a light on it, Tour's team confirmed that the engine was running by using nuclear magnetic resonance to monitor the position of the hydrogen atoms within it.
Carbon atoms are shown in grey, hydrogen in white, nitrogen in red, fluorine in light blue and chlorine in green.
Dr Sobral said: «Stars and black holes in the earliest, brightest galaxies must have pumped out so much high energy / ultraviolet light that they quickly broke up hydrogen atoms.
This all changed with the first generation of stars, so bright and powerful that their light started to break apart hydrogen atoms around them, while their cores produced the elements essential for life itself.
Instead of searching for the light from individual galaxies with an optical telescope, the team stalked a different quarry, red - shifted radio waves emitted by hydrogen atoms floating in huge clouds within the galaxies.
Fusion is the process of generating energy by melding together light atoms; it requires heating the fusion fuel (hydrogen isotopes) to tens or hundreds of millions of degrees.
This yields a theoretical description of how external light rays affect the energy levels of the hydrogen atoms trapped inside the fullerenes.
It did not find a sudden decrease in the brightness of the light emitted by neutral hydrogen atoms at any point in that period, suggesting that re-ionisation did not occur suddenly.
Light interacting with hydrogen atoms enclosed in hollow cages composed of carbon atoms — referred to as fullerene material — produces ionisation.
«Ionization mechanisms of captive atoms struck by light matter: Physicists elucidate the effects of light rays falling onto hydrogen atoms trapped in a carbon atom cage.»
A hydrogen atom can not absorb or emit light of any old wavelength.
The dark matter was about 1000 light - years across and had an even density equivalent to four hydrogen atoms per cubic centimeter.
After decades of effort, physicists have probed the inner workings of atoms of antihydrogen — the antimatter version of hydrogen — by measuring for the first time a particular wavelength of light that they absorb.
After decades of effort, physicists have probed the inner working of atoms of antihydrogen — the antimatter version of hydrogen — by measuring for the first time a particular wavelength of light that they absorb.
The probe responds to the nuclear spins of the hydrogen atoms and provides a direct measurement via the red light emitted.
Were they working with hydrogen, physicists could have excited the atoms with, say, electricity and analyzed the light they radiated.
Magnetized Linear inertial Fusion (MagLIF) combines powerful laser light with strong magnetic fields to fuse hydrogen atoms into helium nuclei.
Neutrons are sensitive to lighter elements, so they provide much more detailed information on the location of hydrogen atoms.
Hydrogen atoms scatter solar ultraviolet light, and it was this light that was imaged by the IUVS.
Now what you actually do is bring particles — in the case of the Large Hadron Collider protons — that is the nucleus of hydrogen atoms and you accelerate particles so that they're moving very, very rapidly, they have a very large energy in their motion; and at the Large Hadron Collider, the LHC, the protons will be accelerated to within a part in the billion of the speed of light.
The details of this decay process are important because, for example, they help to explain the observed amounts of hydrogen and other light atoms created just after the Big Bang.
They are particularly good at identifying the position of light atoms such as hydrogen, oxygen, carbon and nitrogen in samples.
To measure the number of electron - neutrinos reaching Earth, the SNO team monitored miniscule flashes of light produced when the particles interact with molecules of heavy waterin which deuterium atoms replace the hydrogen atoms.
However, almost every hydrogen atom in the IGM, out to the farthest galaxies telescopes can see (13 billion light - years away), has been ionized — has lost its electron.
Their ultraviolet light reached free hydrogen gas in the surrounding regions, interacting with the atoms in a way that left a key signature in the radio spectrum from the afterglow of the Big Bang.
For example, using sophisticated calculations and supercomputers, he developed accurate methods for calculating how small, light molecules and atoms such as helium and hydrogen would move and react in solids and in solution.
These filters isolate blue and near - infrared light, along with red light emitted by hydrogen atoms and green light from Strömgren y.
In an experiment conducted at the Linac Coherent Light Source, the team studied plastic simulating compounds formed from methane — a molecule with just one carbon bound to four hydrogen atoms that causes the distinct blue cast of Neptune.
As a result, once water molecules are dissociated into ionized hydrogen and oxygen atoms by the Sun's ultraviolet light in Venus» upper atomsphere, they are more easily blown into space by the Solar wind (S.I. Rasool, 1968).
Neutrons are more sensitive to light atoms like hydrogen and carbon than x-rays.
Light from oxygen atoms is rendered blue in this image; hydrogen is shown as green, and nitrogen as red.
If at least one part in a 100,000 of the hydrogen in intergalactic space were made up of whole atoms, all the light at this wavelength would be blocked.
That blistering heat stripped light - emitting electrons from the hydrogen atoms in the plasma, eliminating light as a source of information about the atomic nuclei, or ions, in the plasma and creating the need for a new diagnostic tool.
That incoming light is absorbed by hydrogen atoms and converted to heat energy, NASA stated, and this steady conversion of light - to - heat makes the planet appear to be pitch - black to onlookers, the researchers found.
Conversely, the visible light we see is produced as electrons react with hydrogen atoms to produce H − ions.
As such, they are fully «saturated» with hydrogen atoms, making them extremely heat, light and oxygen stable.
There is a lot of heat now, ten billion degrees of it, enough to begin the nuclear reactions that create the lighter elements — principally hydrogen and helium, with a dash (about one atom in a hundred million) of lithium.
Heavy water: Water containing a significantly greater proportion of heavy hydrogen (deuterium) atoms to ordinary hydrogen atoms than is found in ordinary (light) water.
Any gas with 3 or more atoms can be a greenhouse gas, (as at least three atoms are necessary for the gas to vibrate and capture the infrared light) so gases made up of one atom (Hydrogen, H) or two atoms (Oxygen, O2) are not greenhouse gases.
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