how does the atmosphere protect us from solar radiation?
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The ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (UVR) from the sun, protecting life on Earth from its potentially harmful effects. When the sky is clear, there is an inverse relationship between stratospheric ozone and solar UVR measured at the Earth's surface.
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Once the sun's energy reaches earth, it is intercepted first by the atmosphere. A small part of the sun's energy is directly absorbed, particularly by certain gases such as ozone and water vapor. Some of the sun's energy is reflected back to space by clouds and the earth's surface.
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Atmosphere is essential for life because of the following reasons: (i) It acts as a blanket and keeps the average temperature of the Earth fairly steady by preventing sudden increase in temperature during the day and slowing down the escape of heat into outer space during the night.
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It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace amounts of other gases, and water vapor. This mixture of gases is commonly known as air. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation and reducing temperature extremes between day and night.
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The atmosphere helps to protect living organisms from genetic damage by solar ultraviolet radiation, solar wind and cosmic rays. The current composition of the Earth's atmosphere is the product of billions of years of biochemical modification of the paleoatmosphere by living organisms.
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Most life on Earth depends on the atmosphere, a bubble of gases around our planet. This bubble, extending about 430 miles (700 km) into space, protects us from meteorites and warms Earth's surface. It includes the OZONE LAYER, which shields us from the Sun's harmful rays.
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The greenhouse gases in the atmosphere absorb the sun's heat, radiated from the surface of the earth, and keep the planet warm enough for life. It is called a blanket because it acts like a blanket to earth. It protects the Earth like a blanket protects us from cold.
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The ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (UVR) from the sun, protecting life on Earth from its potentially harmful effects.
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Most ozone resides in the stratosphere (a layer of the atmosphere between 10 and 40 km above us), where it acts as a shield to protect Earth's surface from the sun's harmful ultraviolet radiation. With a weakening of this shield, we would be more susceptible to skin cancer, cataracts and impaired immune systems.
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The atmosphere is essential for life because it maintains an appropriate climate for the sustenance of life by carrying out the following activities: (i) Atmosphere keeps the average temperature of the Earth fairly constant during day time. (ii) It prevents a sudden increase in temperature during day time.
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The Sun emits energy at all bands in the Electromagnetic Spectrum, but emits most strongly at visible, UV and Infrared frequencies. Our atmosphere stops 98% of all UV rays from the Sun and the remaining UV rays are used by our bodies to help produce Vitamin D.
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What is the atmosphere? The atmosphere is a thin layer of gases that surrounds the Earth. It seals the planet and protects us from the vacuum of space. It protects us from electromagnetic radiation given off by the Sun and small objects flying through space such as meteoroids.
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The atmosphere is essential for life for the following reasons: (a) Oxygen which is essential for the survival of all living organisms is present in the atmosphere. ... (d) The atmosphere acts as a protective blanket for the earth by blocking the harmful UV rays from the sun.
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The atmosphere protects living things from the Sun's most harmful rays. Gases reflect or absorb the strongest rays of sunlight (Figure below). The atmosphere shields Earth from the most harmful solar rays.
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ULTRAVIOLET ASTRONOMY Since the Earth's atmosphere absorbs much of the high-energy ultraviolet radiation, scientists use data from satellites positioned above the atmosphere, in orbit around the Earth, to sense UV radiation coming from our Sun and other astronomical objects.
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For billions of years, our atmosphere has been: The stratospheric ozone layer—the part of the atmosphere that protects us from the sun's ultraviolet radiation—has deteriorated. 2. The increasing level of “greenhouse gases” in the atmosphere is raising Earth's temperature faster than at any time in the past.
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The Earth is wrapped in a blanket of air called the 'atmosphere', which is made up of several layers of gases. The Sun is much hotter than the Earth and it gives off rays of light energy that travel through the atmosphere and reach the Earth's surface.