Sentences with phrase «ultraviolet rays from»

The Earth's ozone layer is located in the lower stratosphere, which lies just above the troposphere (which begins at the planet's surface and reaches up to about 12 km), catching harmful ultraviolet rays from the sun.
These types of ingredients are very effective in blocking potentially harmful ultraviolet rays from the sun but when absorbed into the blood,...
It is very effective as a sunscreen blocking over 20 % of damaging ultraviolet rays from the sun and works invaluably against hair damage (27).
C also seems to guard against ultraviolet rays from the sun, which can lead to freckles and a mottled complexion.
Writing in the journal Scientific Reports, Jennifer Wadsworth and Charles S. Cockell from the UK Centre for Astrobiology at the University of Edinburgh reported that compounds in Martian soil become toxic to biological organisms when exposed to ultraviolet rays from the sun.
The humidity can be as low as 10 %, there are intense ultraviolet rays from the sun, and the high altitude can leave people short of breath.
During the day, ultraviolet rays from the sun split oxygen, nitrogen, and other molecules in the upper atmosphere.
Without the ozone layer, ultraviolet rays from the sun would reach the surface at nearly full force, causing skin cancer and, more seriously, killing off the tiny photosynthetic plankton in the ocean that provide oxygen to the atmosphere and bolster the bottom of the food chain.
When ultraviolet rays from the sun fall on methane, they break the molecule into components that form ethane, a constituent of natural gas on Earth.
Without a protective layer of ozone, life would be exposed to DNA - damaging ultraviolet rays from the sun.
Canopy: This will protect the child from ultraviolet rays from the sun, wind and other unfavorable weather elements.

Not exact matches

It is the depletion of atmospheric ozone that results from release of the propellant gas from aerosol spray cans, allowing white skins to accrue prestige by turning dark and darker and finally black, under the sun's ultraviolet rays.
«Broad - spectrum» provides protection from both ultraviolet A (UVA) and ultraviolet B (UVB) rays.
It's therefore really important to make sure your baby is properly protected from the sun's ultraviolet rays (UV), even on cloudy days.
Suncream can protect your baby from the sun's harmful ultraviolet rays.
Your baby needs protection from the sun's ultraviolet rays.
Look for a broad spectrum sunscreen - one that protects against both Ultraviolet A and B rays (UVA, UVB) which will help protect your skin from the harmful rays that can cause skin cancer and aging / wrinkles.
The hood is equipped with a UV protected transparent window, allowing you to see baby, while keeping them safe from ultraviolet rays.
These sunscreens protect us from harmful ultraviolet (UV) radiation by absorbing rays before they penetrate deep into our skin.
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.
Designed for superior performance, this helmet features widespread coverage for your head and neck and provides protection from infrared and ultraviolet rays for your eyes.
Sunscreens with SPF help protect the skin from ultraviolet B (UV - B) rays.
The ozone layer — a high - altitude expanse of oxygen molecules that protects us from the sun's ultraviolet rays — has been on the mend for the past decade or so.
Ultraviolet (UV) rays from the sun and from tanning beds can damage the DNA in skin cells, causing melanoma.
Gooey polymers may have protected the Earth's first life - forms from damaging ultraviolet rays.
To mimic Titan's environment, her team combined cold nitrogen, methane, and traces of carbon monoxide and exposed the mix to microwaves (which simulate the sun's ultraviolet rays) and oxygen (which rains down on Titan from eruptions on the nearby moon Enceladus).
The leading candidates for triggers have been solar ultraviolet rays, lightning in thunderstorms, and superhot impact plumes from meteorites.
On Titan the photochemistry starts at the top of the atmosphere, about 1000 kilometres up, where energetic ultraviolet photons from the sun and cosmic rays trigger reactions among methane and nitrogen molecules.
The stratospheric ozone layer, a fragile shield of gas, protects Earth from harmful ultraviolet rays of the sun.
Vitamin D comes from three sources: the sun's ultraviolet (UVB) rays penetrating the skin, a few D - rich foods like fatty fish and some fortified foods, and supplements.
Some, such as Chlamydomonas nivalis, spread first as greenish blooms as they begin to photosynthesize, and then turn a reddish colour as they produce carotenoid pigments to protect themselves from the sun's ultraviolet rays.
Ultraviolet rays have enough energy to allow the reaction in common materials such as titanium dioxide, but UVs make up only about 4 percent of the light Earth receives from the sun.
The tardigrades were retrieved and rehydrated to test how they reacted to the airless conditions in space, as well as ultraviolet radiation from the Sun and charged particles from space called cosmic rays.
The EUSO telescope, which will be used to find debris, was originally planned to detect ultraviolet light emitted from air showers produced by ultra-high energy cosmic rays entering the atmosphere at night.
His beard is full and his skin darkened by the ultraviolet rays that glaciologists come to expect from working on a reflective ice sheet in 24 - hour sunlight.
Earth in the days when life was just beginning had no protective ozone layer, so light - dependent, iron - oxidizing bacteria formed iron minerals around themselves to protect them from damaging ultraviolet rays.
The sun protection factor is a measurement that tells you how long the sunscreen will protect your skin from sunburn - causing ultraviolet - B rays, as compared to no sunscreen at all.
Astrophysicist Martin Barstow of the University of Leicester in the U.K. and colleagues used the Far Ultraviolet Spectroscopic Explorer (FUSE) spacecraft, which studies cosmic rays and similar phenomena, to gauge the density of clouds located out to about 300 light - years from the sun.
Ozone shields our planet from the sun's harmful ultraviolet rays, but it may be also be keeping bees away from their favorite flowers, according to a new study.
Skin tans by producing melanin, a pigment that protects DNA from harmful ultraviolet rays.
Every day, the DNA in each cell in our bodies is damaged up to 1 million times by everything from mutagens in the food we eat to the ultraviolet rays in sunlight.
The ozone layer protects life on Earth from the Sun's harmful ultraviolet rays.
The aftermath of the neutron star collision detected in August included the gravitational waves spotted by LIGO and VIRGO (pale arcs); a near - light - speed jet that produced gamma rays (magenta); expanding debris from a kilonova — an explosion similar to a supernova, but smaller — that produced ultraviolet (violet), optical and infrared (blue - white to red) emission; and X-rays (blue).
A genetic variant that increases the risk of testicular cancer may be favored by evolution because it helps protect those with fair skin from the sun's damaging ultraviolet rays, according to a new study.
This possibility is driving a nascent but growing effort among scientists to link the impact of mercury and other environmental factors (everything from pollutants and diet to the sun's ultraviolet rays) to the individual genetic proclivities that each of us is born with.
That remarkable radiance — caused by any ultraviolet light, including UV rays from the sun — has given rubies a special place in history.
The Pierre Auger Cosmic Ray Observatory is netting signals from the most energetic particles in the universe: ultrahigh - energy cosmic rays, which slam into the atmosphere at speeds no accelerator can match, sparking air showers of subatomic particles and ultraviolet light.
THEY bask in the sun for hours, but just like us, plants need to protect themselves from damaging ultraviolet rays.
The lunar surface also gets harsh treatment from meteorite impacts, ultraviolet rays, and other sources.
From there, astronomers will study any electromagnetic radiation that the potential supernova is giving off — that is, any gamma rays, x-rays, ultraviolet waves, visible light, infrared waves, microwaves and radio waves.
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