Sentences with phrase «radiation from the sun in»

Antioxidants protect plants from ultraviolet radiation from the sun in the same way that melanin protects our skin from the sun.
In fact, on average through day and night and over a whole year over the whole Earth's surface, downward infrared radiation is more important than downward solar radiation from the Sun in warming the surface.»

Not exact matches

Weather is cause by the interaction of natural forces in the Earth's atmosphere and fueled by radiation from the Sun.
The Earth's magnetic field permanently protects us from the charged particles and radiation that originate in the Sun.
And while ozone high in the atmosphere helps shield Earth from the sun's ultraviolet radiation, at ground level, it mixes with fine particulates to form breath - choking smog.
The GPS data, which dates from December 2000, fill a hole in studies of space weather, the complex interplay of Earth's magnetic field with bombarding radiation from cosmic rays and the sun.
This layer of the atmosphere forms when radiation from the sun strips electrons from, or ionizes, atoms and molecules in the atmosphere between about 75 and 1,000 kilometers above Earth's surface.
The dominance of this one very hot spot, from which most of the radiation is emerging, is totally different from what we see in the sun, says Andrea Dupree of the Harvard - Smithsonian Center for Astrophysics.
The feeble glow of microwaves from the sun is absorbed by our air on the way down, anyway, so unless the core somehow also strips off Earth's atmosphere — in which case we have bigger problems than solar radiation — we should be safe enough from microwaves if our planet's center stops spinning.
Ultraviolet radiation from the sun kicks up haze in the atmosphere.
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.
Because the eclipse blocks energy from the sun, scientists can study the ionosphere's response to a sudden drop in solar radiation.
Methane could also have a nonbiological source, perhaps generated by chemical reactions between water and minerals in Martian rocks or from reactions between the sun's ultraviolet radiation and cosmic dust.
In one of the two species tested, 68 % of specimens that were shielded from higher - energy radiation from the Sun were revived within 30 minutes of being rehydrated.
In Earth's atmosphere, this compound forms the ozone layer that protects us from the Sun's harmful UV radiation.
Ozone in the upper atmosphere normally forms a protective layer that shields us from the sun's ultraviolet radiation.
Given the revised timeline in this region, Willenbring and colleagues determined that the increased precipitation resulted from changes in the intensity of the sun's radiation on the Earth, which is based on the planet's tilt in orbit.
By comparing recent measurements with results from new models, the network challenged the long - debated assumption that the Sun's slight change in radiation could cause Earth's climate to change.
The haze results from chemical reactions in the upper atmosphere, where ultraviolet radiation from the sun ionizes nitrogen and methane, which react to form tiny hydrocarbon particles tens of nanometers in diameter.
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.
The particles could have acted like a shield, blocking out the sun and preventing some radiation from evaporating water on the planet's surface, resulting in even less rainfall.
The United States Department of Health and Human Services proclaimed in 2002 that ultraviolet (UV) radiation from the sun and artificial sources, such as tanning beds and sun lamps, is a known carcinogen.
The largest of these eruptions cause what is known as space weather — the radiation, energetic particles and magnetic field releases from the Sun powerful enough to cause severe effects in Earth's near environment, such as the disruption of communications, power lines and navigations systems.
Black carbon warms the atmosphere because of its ability to absorb radiation from the sun, but its effect can be especially pernicious in polar regions, where, falling on bright ice, the soot diminishes the regions» ability to reflect away heat.
In Finland and in other countries far from the Equator, UVB radiation from the sun is a sufficient source of vitamin D during the summer months, but outside the summer season, people need to make sure that they get sufficient vitamin D from food or from vitamin D supplementIn Finland and in other countries far from the Equator, UVB radiation from the sun is a sufficient source of vitamin D during the summer months, but outside the summer season, people need to make sure that they get sufficient vitamin D from food or from vitamin D supplementin other countries far from the Equator, UVB radiation from the sun is a sufficient source of vitamin D during the summer months, but outside the summer season, people need to make sure that they get sufficient vitamin D from food or from vitamin D supplements.
Mark Loeffler at Northern Arizona University irradiated ammonium hydrosulphide, commonly found in Jupiter's atmosphere, with high - energy protons that mimic radiation coming from the sun.
Unlike ozone in the stratosphere, which benefits life on Earth by blocking ultraviolet radiation from the Sun, ground - level ozone can trigger a number of health problems.
On Earth, ozone absorbs UV in the stratosphere, protecting our world from a lot of the Sun's harmful radiation.
Conduction and thermal radiation are two ways in which heat is transferred from one object to another: Conduction is the process by which heat flows between objects in physical contact, such as a pot of tea on a hot stove, while thermal radiation describes heat flow across large distances, such as heat emitted by the sun.
Well, apparently Nasa told me that the craft that went to the moon didn't get radiation because they went between the sun flair's, and spent only a few minutes in the Van Allen Belt's, despite the fact that their craft's bulkhead and hul was only made of ligthweight aluminium based steel sheeting, 2.8 th of mil thick, and no one yet has been able to predict or map the flares from the sun.
But radiation from the sun and cosmic rays is 100 times stronger in space than on Earth, which is protected by a layer of ozone and the Van Allen radiation belts.
In the atmosphere, high overhead, ozone protects Earth from harmful radiation that comes from the sun.
The Sun was the first celestial object determined to give off X rays; rocket - borne radiation counters measured X-ray emissions from its corona (outer atmosphere) in 1949.
The ozone layer is crucial since it blocks out the harmful ultraviolet radiation from the sun known to increase the risk of skin cancer and cataract damage, in addition to other harmful effects on plants and animals.
The amounts that are in Pluto's atmosphere are enough to absorb infrared radiation (heat) from the sun and warm the upper atmosphere.
Both solar winds and UV radiation from the sun play a part in Pluto's atmosphere, particularly the upper atmosphere (the exosphere).
Surface radiative energy budget plays an important role in the Arctic, which is covered by snow and ice: when the balance is positive, more solar radiation from the Sun and the Earth's atmosphere arrives on the Earth's surface than is emitted from it.
From about 0.7 solar radii to the Sun's visible surface, the material in the Sun is not dense enough or hot enough to transfer the heat energy of the interior outward via radiation.
GLAST is in part a follow - up to CGRO, which found high - energy radiation from distant galaxies believed to contain supermassive black holes — up to a billion times more massive than the sun.
In 2004, Schulze - Makuch and his colleagues announced their speculations that such microbes may survive in Venusian clouds with the help of molecular rings of sulphur to shelter from the Sun's ultraviolet (UV) radiation as Venus does not have a protective layer of ozone in its atmospherIn 2004, Schulze - Makuch and his colleagues announced their speculations that such microbes may survive in Venusian clouds with the help of molecular rings of sulphur to shelter from the Sun's ultraviolet (UV) radiation as Venus does not have a protective layer of ozone in its atmospherin Venusian clouds with the help of molecular rings of sulphur to shelter from the Sun's ultraviolet (UV) radiation as Venus does not have a protective layer of ozone in its atmospherin its atmosphere.
Climate is driven largely by energy from the sun, and the manner in which this incoming solar radiation is reflected, absorbed, transformed (as in photosynthesis), or re-radiated (as heat).
In addition, the instruments will be in position to make unprecedented observations of Mercury's surface in infrared light, which can be otherwise hindered by radiation from the SuIn addition, the instruments will be in position to make unprecedented observations of Mercury's surface in infrared light, which can be otherwise hindered by radiation from the Suin position to make unprecedented observations of Mercury's surface in infrared light, which can be otherwise hindered by radiation from the Suin infrared light, which can be otherwise hindered by radiation from the Sun.
The energy from the sun is called ultraviolet or UV radiation, and it reaches Earth in two forms: in UVA and UVB rays.
Furthermore, vitamin C is now being studied for its role in protecting the skin from UV radiation damage, which is hopeful for helping sun spots and wrinkles fade and promoting youthful - looking skin.
Actually a hormone, not a vitamin, vitamin D is produced in the skin upon exposure to UV radiation from the sun.
In locations distant from the Equator, the sun's UVB radiation is an adequate source of vitamin D throughout the summer months, but in the winter season, we need to ensure that we get adequate vitamin D from supplements or fooIn locations distant from the Equator, the sun's UVB radiation is an adequate source of vitamin D throughout the summer months, but in the winter season, we need to ensure that we get adequate vitamin D from supplements or fooin the winter season, we need to ensure that we get adequate vitamin D from supplements or food.
In fact, the same antioxidants that give some plants a reddish hue is what the plants use to protect themselves from the sun's radiation.
He also states that «in plants, lutein and zeaxanthin play a role in absorbing light outside the red and blue range and funneling it away, in essence acting as a chemical «sun block» that helps protect the plant from excessive radiation
In many Mediterranean climates there is a strong diurnal character to daily temperatures in the warm summer months, due to the great loss of ultraviolet radiation from the sun at nighIn many Mediterranean climates there is a strong diurnal character to daily temperatures in the warm summer months, due to the great loss of ultraviolet radiation from the sun at nighin the warm summer months, due to the great loss of ultraviolet radiation from the sun at night.
Over time, the sun bleached away the color, leaving behind ghostly impressions, the brightest in the center where the glass of the skylight shone the light of the sun most directly, fading along the sides where it cast in at angles, and dimmest along the edges where the fabric was concealed from the sun's radiation.
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