The stratospheric ozone layer contains 90 % of the world's known ozone (Chasek et al 164), and is life giving because
it absorbs ultraviolet radiation, large amounts of which damage all forms of life.
The fact that the ozone layer
absorbs ultraviolet light is great for us, because high frequency ultraviolet light is very harmful to most organisms.
Ozone
absorbs ultraviolet light for example which are higher energy than visible light and little of it reaches into the troposphere.
Anyway, because the models assume the atmosphere is only in local energy equilibrium, they conclude that when the ozone
absorbs the ultraviolet light, it heats up the air in the ozone layer.
When ozone
absorbs ultraviolet light, it splits into O2 and oxygen atoms and also releases heat energy.
The atmosphere plays an important role in the protection of life on Earth;
it absorbs ultraviolet solar radiation and reduces temperature extremes between day and night.
Ozone is concentrated in this part of the atmosphere and
it absorbs ultraviolet light from the Sun.
However, when a coma develops, dust reflects still more sunlight, and gas in the coma
absorbs ultraviolet radiation and begins to fluoresce.
Scientists have published a new study that identifies the process by which holes get trapped in nanoparticles made of zinc oxide, a material of potential interest for solar applications because
it absorbs ultraviolet light.
And in fact, New Horizons does see large very dark regions on Pluto that might be made up of these photochemical products, generated when the methane in Pluto's atmosphere
absorbs ultraviolet sunlight.
Glass, for example, strongly
absorbs ultraviolet radiation.
Since the ozone layer
absorbs ultraviolet light from the sun, ozone layer depletion can lead to increased rates skin cancer, eye damage and other adverse consequences.
Testing showed their materials were biocompatible, stood up well in heat and light, and
absorbed both ultraviolet A and ultraviolet B radiation with high efficiency.
Benzene, toluene, and other components of coal tar were colorless because
they absorbed ultraviolet light undetectable by the human eye.
Its nucleus is predicted to emit and
absorb ultraviolet light.
For their study, Fréchet's group created dendrimers shrouded with coumarin 2 dyes, which readily
absorb ultraviolet light.
Bella et al. show that coating the cells with a water - proof fluorinated polymer that contains pigments to
absorb ultraviolet light and re-emit it in the visible range can boost cell efficiency and limit photodegradation.
It turns out that many molecules found in foods
absorb ultraviolet or visible light and subsequently emit light as fluorescence.
At the same time,
the absorbed ultraviolet light ionises the hydrogen.
This atmospheric layer includes molecules that
absorb ultraviolet and visible light, acting as a kind of «sunscreen» for the planet it surrounds.
The formation of a stratosphere layer in a planet's atmosphere is attributed to «sunscreen» - like molecules, which
absorb ultraviolet (UV) and visible radiation coming from the star and then release that energy as heat.
Melanin molecules
absorb ultraviolet radiation from the sun, protecting you from tissue damage as a result of sun exposure.
Studies show that these compounds deposit in the retina, the light - sensitive portion of your eye, and
absorb ultraviolet light that could damage your vision.
Polyphenols, one of most abundant antioxidants in apples, can actually
absorb ultraviolet - B light.
Interesting, lycopene has the ability to
absorb ultraviolet light that hits your skin.
Benzophenone and derivatives: a possible human carcinogen and hormone disruptor used as a fragrance ingredient and to
absorb ultraviolet light.
The stratospheric ozone layer protects life on Earth by
absorbing ultraviolet light, which damages DNA in plants and animals (including humans) and leads to skin cancer.
Ozone has played a major role in
absorbing ultraviolet radiation from the sun, which would otherwise negatively impact life on earth.
Nanoparticles of the material, engineered to have crystal structure, allow visible light to pass through them, but they also
absorb ultraviolet light, making them ideal as the active ingredient in sunscreens.
Not exact matches
These sunscreens protect us from harmful
ultraviolet (UV) radiation by
absorbing rays before they penetrate deep into our skin.
These particles make colors appear to be brighter by
absorbing invisible
ultraviolet light and re-emitting it as blue light.
Dr. Norman Rowe, a New York City - based board - certified plastic surgeon says that chemically - based sunscreens are
absorbed into the skin in order to protect the skin from
ultraviolet rays.
Retinal cells contain three yellow pigments — lutein, zeaxanthin and meso - zeaxanthin — which
absorb near -
ultraviolet light, protecting the eye from its damaging effects and reducing glare.
With this unique patterning, the
absorbers can be boosted to harvest more solar energy from the
ultraviolet and visible regions of the electromagnetic spectrum,» said Masdar Institute postdoctoral researcher Dr. Jin You Lu, who is the paper's lead author along with MIT postdoctoral researcher Dr. Sang Hoon Nam.
The sunscreen chemicals that
absorb the sun's dangerous
ultraviolet radiation are typically organic molecules (as opposed to the metal oxides that block the sun's rays in sunblock).
Ultraviolet light from early, blueish stars (illustrated) interacted with hydrogen gas, causing it to
absorb background radiation, and creating a signature scientists have now detected.
As the quasar's light zips through the Fermi bubble, carbon and silicon atoms in the gas
absorb certain wavelengths of
ultraviolet light.
This molecule, which the researchers call pteronenone, had a structure similar to that of chemicals which
absorb the Sun's damaging
ultraviolet rays and are carried by other planktonic creatures (Journal of Organic Chemistry, vol 60, p 780).
Some observations of how cosmic molecules emit and
absorb light at
ultraviolet wavelengths have hinted that the fine structure constant, responsible for the strength of electromagnetism, is not the same throughout the universe.
In the early 1970s, astronomers thought that the interstellar medium, which comprises about 90 per cent hydrogen, would
absorb all extreme
ultraviolet.
These bubbles, containing ionised hydrogen, do not
absorb extreme
ultraviolet radiation.
The iron minerals have special qualities — They
absorb harmful
ultraviolet radiation, but the part of the sunlight needed for photosynthesis can still be used by organisms.
In an optical telescope, photons strike a mirror or lens whose surface is nearly perpendicular to the light's path; but extreme
ultraviolet photons hitting such a surface would get
absorbed rather than reflected.
Xiao Zhang, a graduate student in Jie Liu's lab, synthesized rhodium nanocubes that were the optimal size for
absorbing near -
ultraviolet light.
Such materials display a strong absorption of
ultraviolet or visible light, making them attractive as primary light
absorbers in molecular solar cells and other devices of molecular optoelectronics.
When the sun is at its most intense, ozone in the stratosphere
absorbs more
ultraviolet energy, making areas near the equator warmer than usual.
On Earth, temperature inversion occurs because ozone in the stratosphere
absorbs much of the sun's
ultraviolet radiation, preventing it from reaching the surface, protecting the biosphere, and therefore warming the stratosphere instead.
Ultraviolet light is
absorbed by Earth's atmosphere, which makes it difficult to observe with a ground - based telescope.
[2] Neutral hydrogen gas
absorbs all the high - energy
ultraviolet light emitted by hot young stars very efficiently.
The team also presented the first observational evidence that WASP - 33b's atmosphere contains titanium oxide, one of only a few compounds that is a strong
absorber of visible and
ultraviolet radiation and capable of remaining in gaseous form in an atmosphere as hot as this one.