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the solar system eassy
the solar system eassy
the solar system eassy
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1) Atmospheres
a. A greenhouse gas is a gas, which absorbs the infrared radiation emitted out by a planet carrying energy away, but allows through the visible light carrying energy in from the Sun, such as carbon dioxide. (CO2, H2O, O3, CH4, CFCs).
b. Because the Sun has a surface temperature of about 5,800 Kelvin, it emits most of its energy as visible light. Because the Earth has a much lower average surface temperature of about 288 Kelvin, it emits most of its energy as infrared light. Greenhouse gasses are transparent to visible light, but partially block infrared light. Greenhouse gasses act like one-way valves, because they allow energy from the Sun to reach the surface as visible light, but they prevent energy from the planet from leaving as infrared radiation.
c. The distance from the sun affects the temperature of a planet because the closer a planet is to the sun the greater the temperature will be. The planets reflectivity affects the temperature because the more reflective a planet’s surface is the lower the amount of solar radiation that will be absorbed by the planet. The thicker the atmosphere the hotter the temperature of the planet will be because the more it locks in green house gasses, raising the temperature. The more pressure in the atmosphere the hotter the temperature of the planet. As seen in physics the more pressure that is exerted on an object the more the temperature will rise.
2) Cool Venus
a. Because Venus is completely covered with clouds, and reflects most of the sun's radiation back out into space. Without the greenhouse effect, Venus would be cooler than the Earth even though it is closer to the sun.
b. If Venus did not have Greenhouse gasses or clouds the temperature would be much lower than now. This high temperature is because of the thick atmosphere of clouds and greenhouse gasses, where if neither existed the temperature would drop drastically.
c. The reason for such thick and heavy clouds is directly related to the volcanic activity. The high volcanic activity leads to a higher concentration of clouds, and thus the heavier atmosphere. If the cloud atmosphere were to disappear than there would no longer be high volcanic activity in fact the most likely result from disappearance of clouds would be that the volcanoes on Venus had become dormant.
3) Mars Climate Evolution
a. So far, we do not yet have clear scientific evidence of organisms on Mars.
The Greenhouse Effect occurs when all of the heat is being trapped which involves elements like CH4, N2O, O3. But , the one thing that causes global warming is CO2 ( Schlosser). The society has to remember that not only the elements cause this change , critics are causing the climate change also. For example , fire is natural and beneficial but it can also cause the weather to change because it releases carbon monoxide , and all of that goes up into the atmosphere which can cause global change. Not only does it cause warm temperatures but it also disrupts ecosystems pushing those to extinction for those who can’t adapt. There is also the Greenhouse effect temperatures. They have been rising to about 0.8 degrees celsius. According to Dr. Schlosser , in the atmosphere, it returns about 30% of the energy in approaching sunlight and takes in about 30% at the same time.
The greenhouse effect is known as the rising in earth's temperature above from its normal temperature. In the atmosphere, there are certain gases, such as methane, carbon dioxide, nitrous oxides, water vapor, and ozone, which aid in this activity by reflecting the heat back to earth. Because of this process earth can maintain a suitable temperature. Around 57 degrees Fahrenheit, which are considered to be a normal temperature. The average temperature on earth would be zero degrees Fahrenheit, 18 degrees Celsius), if this radiation is not trapped, and as a result of life would not be as we are seeing now. In this way, these greenhouse gases are primary and very important for the survival of the living organisms on earth. What makes the earth,
An analogy of a greenhouse effect is the effect that you get when you go to the beach in a hot summer day and you leave your car with the windows closed. After you come back and open the car door you get a furnacelike blast of heat in your face. Inside the car everything is too hot to touch. This is similar to what the earth experiences when heat enters the atmosphere and is not reflected back.
Firstly, Venus’s atmosphere is heavily laden with carbon dioxide (CO2), which makes up 96 percent of its atmosphere, 3.5 percent is made of nitrogen, and the remaining 0.5 percent is a combination of water vapor, sulfuric acid (which produce Venus’s thick, stable clouds), hydrochloric acid, and hydrofluoric acid. Venus’s upper atmosphere is cool, which the lower atmosphere is extremely hot and causes the surface temperature to rise to 470C (880F). Venus’ present atmosphere is very dry, but shows signs that it may have once contained water. An abundance of deuterium—the heavy isotope of hydrogen—developed, but was broken down into hydrogen and oxygen atoms by ultraviolet radiation that could not be absorbed by Venus’s lack of an ozone layer (Seeds).
Greenhouse gases have both advantage and disadvantage. Greenhouse gases are the several group types of gases that can be absorbing solar radiation in the atmosphere such as carbon dioxide, methane, and water vapor. Approximately 75% of the radiations that come from the sun were absorbed by greenhouse gases in the atmosphere. Moreover, about 50% of radiation that was absorbed by greenhouse gas was radiated downward to Earth surface. So because of this phenomenon sustained the overall Earth’s temperature limited it into the proper amount that all of the living thing can be lived. However, greenhouse gases could be the big deal if there are becoming too much. Since the Industrial revolution happen the human activities, fossil fuel comb...
The greenhouse effect results from the heat energy of sunlight being absorbed by the Earth and molecules in the Earth's atmosphere ( Figure 1 ) . This energy is usually radiated back towards space. However, as we change the gases in the Earth's atmosphere as the results of everyday living, this energy is unable to leave the Earth's atmosphere and is trapped as heat. The heat causes a gradual warming of the air around the Earth. This warming is known as the greenhouse effect.
First is a description of the greenhouse effect. The earth’s atmosphere has four layers, or zones, with each having distinct differences in temperature. The troposphere is the first layer surrounding the earth. Within this layer air is continually circulating and moving heat and moisture around the earth. The troposphere is denser than the other layers due to the fact that gravity keeps the majority of air molecules near the earth. This is about 75 percent of all the atmospheric mass. It is also the warmest layer (Cunningham & Cunningham, ...
Venus’s atmosphere is extremely dense (Feather and Zike 77). Many of the clouds surrounding the small planet are composed mainly of sulfuric acid (“Planet Venus facts”). The air itself is 96% carbon dioxide and oxygen has not been detected and the pressure on the surface is 92 times that of Earth’s atmosphere (Coffey, “Atmosphere of Venus”). Because of all of this, Venus is greatly influenced by the greenhouse effect causing a small temperature variance of 450°C to 475°C all...
Greenhouse gases trap heat in the atmosphere as they absorb or re-emit infrared radiation. Water vapor is a greenhouse gas, therefore more of it leads to increased atmospheric temperature.
This “greenhouse effect” on Venus happened completely naturally, however the greenhouse effect that we see happening on Earth is ultimately man made. Yes, Co2 is found on Earth at natural levels due to volcanic eruptions and it is what living things exhale, however there is a difference between natural Co2 and burned fossil fuels, the Co2 emitted from volcanic activity is slightly heavier and only makes up two percent of the thirty billion tons made by human activity each year (Tyson). While Co2 is naturally occurring on the Earth, our burning of fossil fuels are causing the Co2 levels to spike, which can have a terrible and irreversible outcome if we do not fix it soon. The climate change that the Earth is experiencing is undeniable, it is important to understand the factors that affect climate change, the repercussions if it is ignored, and how we can prevent it from happening at
Venus is the second planet closest to the Sun. It is the sixth largest planet in the solar system. A day in Venus lasts 243 days in earth years. One year on Venus is about 224 Earth days. Venus is the hottest planet in the solar system with an average of 840 degrees Fahrenheit.
Known as “Earth’s twin”, Venus is very similar to Earth in composition, size, mass, and gravity. However, their temperatures are not so similar. The average temperature on Venus is a toasty 460 degrees Celsius (864 degrees Fahrenheit), as opposed to the cool 14 degrees Celsius (58.3 degrees Fahrenheit) Earth experiences. Needless to say, it would not be an ideal vacation spot. Venus is the hottest planet in the solar system, thanks to the runaway greenhouse effect. The atmosphere of Venus is also majorly different from Earth. It is composed of 97% carbon dioxide and 3% sulfuric acid, with an atmospheric pressure that is ninety-two times that of Earth. This pressure would be the same as being in the lowest depths of the ocean on Earth. However, like Earth, Venus is one of the four terrestrial planets, meaning it has a rocky surface, and a surface area of 177.7 million square miles. The gravity, which is 8.87 meters per second is very similar to Earth. Its mass is also very similar, 4.867E24 kilograms, and a density of 5.20 grams per centimeter.
Venus is the second planet from the sun. Venus is the planet with the most volcanos. Surprisingly, scientist have
...e sun, this is of a longer wavelength and is absorbed by the atmosphere. The Earths atmosphere, thus acts like the glass of a green house, hence the 'greenhouse effect'.
Global warming is an increase in the earth's temperature due to fossil fuels, industry, and agricultural processes caused by human, natural, and other gas emissions. This results in an increased evacuation of greenhouse gases. “Short-wave solar radiation sinks into the Earth's atmosphere and warms its surface while long-wave infrared radiation emitted by earth's surface is absorbed, and then re-emitted by trace gases.” (2)