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On the other hand, if the pull of gravity was less, oxygen would escape from the atmosphere which would make it impossible to sustain life. Although there are discoveries that may prove that there are other planets that may be similar to the Earth that may support life, it is difficult to confirm because of such great distances. Scientists can only make assumptions based on evidence but now, the only planet that is known to sustain human life is the Earth. Only Earth Supports Life. Springboard Magazine. United Church of God. How Earth Supports Life. Accessed September 27, If you contact us after hours, we'll get back to you in 24 hours or less.

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How about receiving a customized one? Sorry, but copying text is forbidden on this website! Is Your Deadline Too Short? A free-floating Earth would miss out on many of the things we enjoy on our actual Earth. There would be no seasons or sunsets. And with no Sun to revolve around, no birthdays. T o have any chance of life — at least life like our own — a free-floating Earth would need liquid water.

And to have liquid water, a planet needs to keep warm. But space is ridiculously cold, just a few degrees above absolute zero. How could a rogue planet stay warm with no Sun? All planets generate heat in their interiors. This heat slowly trickles to the surface, providing a source of internal energy that has endured since the Earth formed. A free-floating planet with no Sun cannot afford to lose any internal heat.

Like a person suffering from hypothermia, a rogue planet needs a really warm blanket. If the ice layer is thick enough, then a planet can maintain an ocean of liquid water beneath the ice. But to prevent the ocean from freezing for billions of years, the ice layer needs to be at least 10 km 6 miles thick. Could Earth, if frozen, transition into this type of planet and still maintain an abode for life in the deep ocean?


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Unfortunately, no. Earth is too dry; a global ice layer would only be a few kilometres thick, too thin to act as a strong insulator. At best, Earth could possibly maintain local liquid water — for example, near a strong heat source such as a volcano, but not a global ocean. The best atmospheric gas for the job is hydrogen. A free-floating Earth with a thick hydrogen atmosphere could keep its surface temperature above the freezing point of water. The planet could have lakes and oceans and possibly life on its surface.

Lit only by distant stars, a rogue-blanketed planet would be invisible to the human eye. Like Uranus and Neptune, it would likely have many different cloud layers. No starlight would touch its surface. Free-floating planets probably formed in orbit around stars. Planets grow within disks of gas and dust orbiting young stars. Starting from dust grains, a series of collisions grows ever-larger bodies. Some capture gas and can become giants, like Jupiter and Saturn. Others, like Earth, are smaller and rockier, and take millions of years to reach their final sizes, and settle into well-ordered planetary systems.

But these systems are often unstable. Gas giants are so massive that their gravitational kicks can launch planets into interstellar space. Free-floating planets are the popcorn kernels that escape from the pot. Many of them will have thick layers of ice, or hydrogen blankets, and some will have a buddy, if they keep their moons.

Tidal heating on an Earth-like rogue planet from interactions with either its moon or its gas giant companion could provide an extra source of internal heat. Even if it has liquid water, could life exist on a planet without a Sun? These beings are primary producers. They transform sunlight into chemical energy, directly. Higher orders of life, including animals, rely mostly indirectly on the Sun by eating primary producers.

Essay on Life on Mars: 8 Selected Essays on Life on Marks

But scientists have found some organisms on Earth that do not need the Sun. They are called chemoautotrophs and they live on the ocean floor. They make their own organic carbon using energy leaking out from inside the Earth. Those, who have dedicated their research to study and classify living organisms, best known as taxonomists, have divided them into categories, taking as a definition pattern the principal features of each species Many different researchers and writers have touched base on the topic, but these three articles really stood out and made an impact There are still places on earth where people have yet to interfere.

One of the main reasons this is so untouched by humans is because of the harsh climates in these areas. The sun controls the life on earth.


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  7. Better Essays words 3 pages Preview. All of these will relate to different astronomical cycles which create effects on the earth. Day and Night Day and night is caused by the tilt of the earth, which is caused by the Better Essays words 3. But first we have to understand what life it is. For this we have to start from the beginning, Big Bang or almighty God. We need to clearly understand the initial stages of life weather it starts from Adam and Eve or a single cell formation, to reach the current state, meaning changed in the great length.

    More and more people often say life has no meaning Trees covered the grounds and all kinds of animals roamed the land. But this was before humans began to burn fossil fuels, before land was starting to be cleared, and before the climate began to change. Some people do not believe that this phenomenon is really happening. Based on the facts, it really is happening. The surface of the Earth is warming rapidly and humans are a main cause Powerful Essays words 4. One way that would be possible is by recycling. Recycling is the recovery and reprocessing of waste materials for use in new products. There are important environmental and economic benefits connected with recycling.

    Cleveland, Ohio joined the ranks of requiring recycling and also fines the homeowners for not disposing of waste correctly or leaving cans out too early or too long McElroy The end of the 20th century marked a fury of speculation regarding the return of Christ. But why all the books on the return of Christ. Currently the weight of the population is relatively close to million tons. All seven billion are contributing to an ever evolving world such as: technologically, medically, socially, and economically. Unfortunately having such luxuries at our fingertips it is only natural to take things like electricity and even water for granted, we are not looking at what will happen in the long run as a result of everyone using these things at their own personal leeway Natural phenomenon like hurricanes and tornadoes have cause mass disruption to human life but neither weather event has had the potential to create mass destruction like an active volcano.

    Hawaii is home to a chain of volcanoes. The planet system like the humane encompasses different element that interact in complex ways. Our planet is interchanging on all spatial scale. A protracted generation ago a phenomenal occurrences arose in the universe. An element entail life arose and it was composed of fundamental fragments that look just like everything else over. I have protracted presume that life emerged on our planet relatively 3. However, the affirmation for such early life seems to be dispersing Good Essays words 2. Its mass is 5. Over 4. These stars were originally made up of hydrogen and helium, the 2 main gases that were created during the Big Bang origin of our universe It is also the closest planet to Earth.

    This planet is known as Venus and was named after the Roman goddess of love and beauty and is the second largest terrestrial planet. Along with all of these things Venus also has a variety of atmospheric conditions, characteristics of the celestial body, including the path of movement and the personality of the celestial body Plants are used in celebrations and commiseration's and are often celebrated in their own right- the annual Michigan potato festival being a good example.

    Plants are associated with national identity. The Scottish thistle; Irish Shamrock; Welsh leeks and daffodils. Many national flags feature plants, the Cedar tree on the Lebanese flag, and the Maple leaf on the Canadian flag It bounty feeds millions of people daily.

    Its surface absorbs more than ninety five percent of the solar radiation that reaches our planet. It is integral to the water cycle and it regulates our planets climate. But none of these roles would be fulfilled without the movement of the ocean.

    Target: Enceladus

    The currents, ribbons of movement within the greater body of water, provide the means with which our ocean distributes the nutrients and energy necessary for continued life upon earth Term Papers words 5. Of the seven billion people, there exist many cultures that shape every person to act or behave in a specific manner.

    Society tells the general public how they should be acting and what they should be doing. Changes in ecosystems have a more direct and brutal influence on human well-being among poor populations mostly in developing countries than among wealthy populations. It has become a matter of urgency to balance the issues of development and environment so that the current generation hands over the earth to their future generation without any further damage to the environment. The development process of any kind should always be sustainable.

    Sustainable development is a recent concept that has become important for a wide range of people and industries I will also look at the technological contribution to modern days. It describes how the colonists have established settlement underground which are full of long tunnels. We will also look at how the general life is described and how people survive there How have they developed. How do they use developed skills to benefit their life. Plants are always evolving every minute. Their are very many species of carnivorous plants. There is over species of them. All carnivorous plants more scientifically known as insectivores.

    Because of their location of living they have developed a strong taste for insects. They capture, devour, and use nutrients from the insects to replace the lack in their ground diet. The bladderwort is an insectivore Free Essays words 1. These are different in the sense that climate change has only recently caught academics attention Foden et al, Threats to diversity like habitat degradation may appear on one site and cause threats on local scales, on the contrary to climate change, which is global and affects the earth as a whole Powerful Essays words 7.

    It varies in thickness from 10km deep to 65km deep.

    The Planet Earth Essay Examples

    The crust is made up of lighter rocks that "float" on top of the mantle. This layer includes the continents as well as the rock under the oceans. The thickness of the crust might be a little deceiving Which means we have very less habitable lands. In that small piece of land we need habitat for all human beings, roads, schools, hospitals, agricultural fields, parks, and other basic things This planet was unique to us, we would remain absolutely determined to get its compound and components to fashion our weapons.

    We needed the Planet for to ourself as a result of what the Planet Cornbread is comprised of; vitality, gas, electric atom, Ununbium, and Lutetium these sorts of compounds are may together and having gives people weapons as though it was given by the Almighty God, no man could envision how much power can be in their grasp There is a massive change in the world we used to live on. Today our once beautiful earth is suddenly dying, melting, flooding, and burning in ways that we have never seen before.

    Eaarth is a very unique book because it is telling the truth about what type of world we live on and how human race is currently destroying it. McKibben is an environmental activist with a few environmental organizations such as Step It Up and People in the future may have problems with so much pollution in the forests, cities and suburbs that we may have to inhabit another planet. Some of the main problems are water pollution, noise pollution, air pollution and many more different forums of pollution.

    Life on Earth would be non existent while not water as a result of it's essential for everything on our planet to grow Meaning that people are stripping the earth of its natural resources to mass produce products which is bought by consumers only to be disposed of quickly and either dump in a landfill or burnt up in an incinerator while the government stands by encouraging it to happen even quicker. This increase in the concentration of greenhouse gases is leading to climate changes experienced world-wide.

    The coral reef ecosystem is highly sensitive to even the smallest of changes in temperature. As sea temperatures rise, the corals pass their thermal thresholds and enter a state of stress Venus, being the second planet from the sun, is naturally going to be warmer due to its increased bombardment of solar energy.

    The temperature on Venus averages about C, but this insane temperature is not due solely to the sun 's energy, it is also due to the fact that Venus has an atmosphere that is near x more dense than Earth 's, stopping the Sun 's heat from ever escaping. I will go over some of the creation background of the solar system because Venus is in it.

    Talk about some of the characteristics of the planet Venus and its atmosphere. Then later show some of the explorations to Venus.