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 supplement
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 supplement
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 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 atmospher
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 atmospher
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 atmospher
in 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 Su
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 Su
in position to make unprecedented observations of Mercury's surface
in infrared light, which can be otherwise hindered by radiation from the Su
in 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 foo
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 foo
in 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 nigh
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 nigh
in 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.