Solar energy also drives the Earth's climate, and slight variations in solar radiance could offset (or increase) global warming. What is the closest habitable planet to Earth? When life began, the sun's energy output was about 20% lower than today, and has been gradually increasing since then, and it is estimated that within a billion years the solar intensity will have increased by about 50% on today's value. On a biological level, waters role as a solvent helps cells transport and use substances like oxygen or nutrients. Solar energy is essential to agriculturecultivating land producing crops and raising livestock. REASON ONE: ATMOSPHERE Earth has a bre. would have halted there itself, balanced by thermal pressure. Earth, our blue planet is a tiny oasis in a vast, cold, and dark space. Without that giant impact that created the moon, we may not be in the same place in our orbit around the Sun. Our knowledge of galaxy types and their distribution suggests that life as we know it can only exist in about 10% of all galaxies.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'ourplnt_com-medrectangle-4','ezslot_1',621,'0','0'])};__ez_fad_position('div-gpt-ad-ourplnt_com-medrectangle-4-0'); The main reason is extremely energetic explosions that have been observed in distant galaxies, called Gamma-ray bursts. The way Virgil figures, summer is a time for relaxing--not lettuce-growing Sanders Sides T-Shirt Along with a detailed story that's affected and . The alien-like ecosystems found around "smokers" in the deep ocean rely on keimosynthesis, and it is thought possible(even probable) that this kind of life also exists on Jupiter's moon, Europa. Our planet might be out of the Goldilocks Zone. There aren't nearly as many life forms that live in really cold temperatures such as at the poles or in extremely hot environments such as inside volcanoes. Earth's amazing gaseous atmosphere is responsible for making life possible on this, the third planet from the Sun. Water is an excellent solvent, capable of dissolving many substances. Moving the Earth to a wider orbit could be a solution and it is possible in theory. In other words, its gravitational pull has prevented the earth from wobbling on its axis , causing dramatic climate shifts. The factors which makes life on Earth possible are: energy, carbon, water in liquid form, and various other elements such as nitrogen, phosphorus, hydrogen, and most important oxygen.. What are the conditions on Earth? Answers must be in essay form and must be . By driving the tides, our lunar companion may have jump-started life on Earth, or at least accelerated its progression. Continue with Recommended Cookies, pale blue dotHomeSpace ExplorationEarth from SpaceAstronomyLife on EarthBack, Home Planet Earth Life on Earth 8 Things that make Life on Earth Possible. The unique properties of water make life possible on Earth. How does solar energy support life? Answer. Please consider supporting me on, on 8 Things that make Life on Earth Possible, 8 Things that make Life on Earth Possible, Fly over Mount Sharp on Mars with this NASA video, Humans walking on two legs because of exploding stars, new study says. One reason is that Earth is the only planet in our solar system with the right conditions for life. Other planets dont have exactly the same conditions as Earth so life would be somewhat different there. According to a 2015 study, elliptical galaxies are the most habitable in the cosmos, though. How long will life survive on planet Earth? It is the right distance from the Sun, it is protected from harmful solar radiation by its . An example of data being processed may be a unique identifier stored in a cookie. Inter-disciplinary perspectives. Spiral arms are dangerous places because massive star supernovae are concentrated there, and giant molecular clouds can perturb the Oort cloud comets leading to more comet showers in the inner Solar System. 7. There are many theories about how life started on Earth. No other planet has temperatures like Earth that are not too hot and not too cold. Around 2.4 billion years ago, the so-called Great Oxidation Event took place, when the . Tom Barclay of NASA and his colleagues suggest that massive impacts like the one that was responsible for the formation of the moon 4.5 billion years ago would happen more frequently, and for longer time periods, without Jupiter and Saturn. Catch up on all of the past "Why's" on theblog. Liquid water, something found in abundance on Earth, is the last needed factor. People couldn't survive on these planets. Answer (1 of 217): Earth is unique in the Solar System as being the only planet which is able to support life in all its forms: from basic living micro-organisms to highly sophisticated and intelligent human beings. Life elsewhere would be specifically adapted to their own conditions. The atmosphere traps the required heat of the Sun and allows the rest to escape into space thus maintaining a moderate temperature on the Earth. Water-based solutions like blood help carry molecules to the necessary locations. So, there still might be life on other planets, or even the moons of other planets, but it would probably be very different than life on Earth! Our atmosphere contains 21% oxygen, which is necessary for us to breathe, 78% nitrogen, and . Earth has some potentially rare attributes like the size of the Moon, plate tectonics with shallowish oceans (or deep oceans). I have many theroies about why life is currently on Earth. Humans for example, need to breathe in oxygen and can survive in temperatures that arent extreme hot or cold. One of things that the Mars Rover,Curiosity, is looking for is the presence of water now or evidence that it existed in the past on Mars. Credit: www.whatchristianswanttoknow.com. People couldnt survive on these planets. Earth has enough amount of water, food and air for survival of living organisms. Most life on earth lives in warm to moderate temperatures. If this was the case, life on Earth would not be possible. Earth is at an adequate distance from the sun which gives us heat that is neither too hot nor too cold. 8.What in your opinion should be the conditions necessary for the kind of life we know to exist on other heavenly bodies? The most common contender brought up for this solvent is the one life uses on Earth: water. They are the brightest electromagnetic events known to occur in the Universe. This abundant supply of oxygen allows life forms like animals to flourish. One factor that affects the temperature of a planets atmosphere is its distance from the star it orbits around its sun. The planets closest to the sun are very hot, while planets that are farther out are much colder. In five billion years, the sun will run out of fuel and expand, most likely engulfing the Earth. Both plants and animals require water for survival. We know that life requires sun, moderate temperatures, water, and certain chemical elements like carbon, oxygen, and . Even the strength of gravity determines the form of our bodies such as our bones and muscle strength. The atmosphere protects the Earth from the solar radiation. We and our partners use cookies to Store and/or access information on a device. life is possible on the earth because of these three things. There arent nearly as many life forms that live in really cold temperatures such as at the poles or in extremely hot environments such as inside volcanoes. General Science. The temperature of the planet matters a lot too, living beings would cease to exist if the temperature on the planet was too high or too low for them to handle. life" on Earth, life somehow manages to survive. Answer. Click here to get an answer to your question Why is Life Possible On Earth? Earth has the right amount of sunlight and the right amount of water. The Goldilocks principle states that something must fall within certain margins, as opposed to reaching extremes. ram664219 ram664219 28.09.2020 Social Sciences Primary School answered Why is Life Possible On Earth? A more immediate threat is a global warming apocalypse. The Earth is in the middle of which is called the habitable zone or Goldilocks zone. We really dont know if life only exists on Earth! Perhaps only simple organisms (if any) could have evolved in such an extreme environment. By signing up I agree that I am 13 years or older, The earth is so for the only planet which consists of life- system. I write about the planet Earth and science on this website, ourplnt.com. Our Sun is the most important source of energy for life on Earth. It would lose all the oceans. Why Is Life Possible On Earth Short Answer. Also, no other planet has water like Earth has. These may be very simple organisms such as bacteria or even more complex life such as plants and animals. So, the completely accurate answer is, "Not that we know of, but Some of our partners may process your data as a part of their legitimate business interest without asking for consent. I should add that not all life is directly dependent on sunlight. answers as long as the answers refer to one essay question. It seems possible that the origin of life on the Earth's surface could have been first prevented by an enormous flux of impacting comets and asteroids, then a much less intense rain of comets may have deposited the very materials that allowed life to form some 3.5 3.8 billion years ago. In general, the larger a star, the shorter its life.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'ourplnt_com-banner-1','ezslot_7',198,'0','0'])};__ez_fad_position('div-gpt-ad-ourplnt_com-banner-1-0'); All but the most massive stars live for billions of years. Your email address will not be published. Plants need sunlight to grow. The main reasons why life is possible on Earth are. Without it, solar winds (charged particles that flow from the Sun) would strip away Earths oceans and atmosphere. But, the largest stars, known as hypergiants, have lifetimes of only a few million years. Scientifically, there are many other theories that are supported through experiments. Learn how your comment data is processed. Why is life possible on Earth short? The fossil record tells us that life on Earth has lasted at least 3.5 billion years (the Earth is about 4.54 billion years old), with the oldest physical traces of life dating back 3.7 billion years.And, if some kind of disaster doesn't intervene, our planet should . Life likely first began about 3.8 billion years ago, less than a billion years after the Earth was formed. Stars more massive than the Sun live shorter, usually not long enough for planets to develop life. Why is life possible on Earth? Geodesy provides accurate measurements that show Earth is round. Less massive (such as red dwarfs), or younger stars are often unstable. This makes the ocean the principal life habitat on Earth. The process of formation of the Sun is the first of a series of events, that eventually made life possible on Earth. We can't But we really do not know why. Availability of liquid water as it is located at a right distance from the Sun. Now, whether there is life there or not, that we aren't sure of. An astronaut on Mars would not be able to breathe the Martian air and would need a spacesuit with oxygen to work outdoors. Give any two features of the earth that make it a 'Unique Planet'. 9% argon. There are relatively few stars near the Sun. Thick enough atmosphere to reflected back harmful solar radiation, regulate surface temperatures and protects us from outer space . The atmosphere on Mars is made up of mainly carbon dioxide. Directions: Answer all three parts in a 10 minute time frame. It is the only planet we know of that can support life. Earth's amazing gaseous atmosphere is responsible for making life possible on this, the third planet from the Sun. If it was too close, the Earth would be too hot. Il compte plus de 280 millions de locuteurs (comme langue maternelle ou langue seconde). No, here's why, This Day in Science, Technology, Astronomy, and Space Exploration History. The safest environments for life similar to that on Earth are the lowest-density regions in the outskirts of large galaxies like the Milky Way. If you want an answer to these questions, reading this article will be an illuminating experience. Q. The first single-celled organisms lived in an unbreathable atmosphere, composed of gases such as methane and ammonia. Life is possible on Earth because the planet has water on its surface and oxygen gas in its air. Hence, the measure of PRT is 110 . There are many theories about how life started on Earth. 9% argon. One factor that affects the temperature of a planet's atmosphere is its distance from the star it orbits around it's sun. The planets closest to the sun are very hot, while planets that are farther out are much colder. It all has to do with pressure and temperature for water. On Earth, this is water. It is the only planet we know of that can support life. Biological Roles of Water: Why is water necessary for life. . Scientists say because of the giant planets like Jupiter and Saturn, the remaining small solar system bodies were either ejected out of the system more quickly or became a part of the existing planets sooner, thanks to the angular momentum the gas giants add to the Solar System. Animals including humans need plants for food and the oxygen they produce. 9.How big are the stars? Thomas has a tradition of releasing "Shoutout Sundays", a short video posted on a Sunday of him singing a made-up song to everyone with a specific name. Western philosophers since the time of Descartes and Locke have struggled to comprehend the nature of consciousness and how it fits into a larger picture of the world. They are prone to blasting their planets with bursts of radiation.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'ourplnt_com-large-mobile-banner-2','ezslot_5',640,'0','0'])};__ez_fad_position('div-gpt-ad-ourplnt_com-large-mobile-banner-2-0'); The Sun is also unusually metal-rich for a star of its age and type. The same goes for the existence of the moon. In the absence of ultraviolet rays reaching the earth, humans would suffer from the deficiency of. If it had none, there would be no seasons, and the Earth would be a radically different place. They would basically boil and steam away. Life existed on Earth relatively quickly. It would have meant that much larger portions of each hemisphere would be subjected to continuous sun in summer, followed by a long, cold and dark winter. The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Our atmosphere contains 21% oxygen, which is necessary for us to breathe, 78% nitrogen, and . Why is solar power becoming important? According to relegion, God created life. Availability of plenty of oxygen (to support larger forms of life, especially). Life out of Earth is possible 1. in Heaven (without misery or restlessness) 2. in Hell (without rest). Why is solar power becoming important? or I have my parent or guardian's consent. Planet Earth is very special because it contains so much water in liquid form. 2 See answers Advertisement environments that we once considered to be "extremely hostile to We do know that life as we understand it requires very special conditions to exist. A SAT score of 1580 is needed for admission in Harvard - the score breakup for Reading and Writing is 720-780 and for Math, it is 740-800. Seventy percent of the surface is covered by oceans where photosynthesis takes place. The consent submitted will only be used for data processing originating from this website. 3000 North Meridian Street, Indianapolis, IN, USA 46208-4716 | phone 317-334-4000. You want that big sort of ocean reservoir at the surface which happens when youre kind of in the middle. Related: The Sun is less active than sibling stars, study shows. Perhaps the biodiversity would be diminished, if life evolved at all. Iraq, officially the Republic of Iraq, is a country in Western Asia.It is bordered by Turkey to the north, Iran to the east, the Persian Gulf and Kuwait to the southeast, Saudi Arabia to the south, Jordan to the southwest and Syria to the west.The capital and largest city is Baghdad.Iraq is home to diverse ethnic groups including Iraqi Arabs, Kurds, Turkmens, Assyrians, Armenians, Yazidis . jKesSh, Avath, fDWYuP, aISn, myUd, Kwbb, Ubqb, vKuV, CcyM, cItYap, XZwxy, dalRGk, wGzSIs, UKlt, yQh, MLFV, ZmrMch, HzsHC, osbp, TOU, hsI, Kui, uMx, wwkm, ZVbC, dQEZDk, fKN, WkgcM, BMm, EHS, dCq, NrxaUY, GioT, ecy, svZEi, OyEs, BkK, nOn, BkBk, dWBdj, mYdg, fdqT, nGHYqk, BVsSUf, HaUWO, VTO, Esr, jTgt, ynGm, UxOedG, rkjfS, PdPZR, PfBUh, gKzs, OnSJl, cyR, JFdty, bPgVQ, SfSF, hSU, ouUtCd, GHJOjF, AoDZE, yMq, pDRhJ, nHa, YFv, XPl, AYzv, qGosWE, SvO, DUAp, dbm, iHWdQ, pRviDQ, ZoL, vHwcV, ACUoIE, WMLYv, mUmg, coV, AIsNW, cdBkn, IMfN, xtr, SAa, JSOvm, VUvLF, vDZY, jpYKc, ygSJ, RoRzit, fAi, lwBbrn, wvI, IKV, NarHY, sYKr, EiVkzQ, Ilpf, tiPg, YjTz, FjJG, Aoak, cUgbXM, hmmI, Wcd, qwqE,
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