Earth's amazing gaseous atmosphere is responsible for making life possible on this, the third planet from the Sun. For example, in 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 . 9% argon. All living things on earth have adapted to our atmosphere, which means all living things need our mix of atmospheric gases. 9% argon. It radiates light and heat or solar energy which makes it possible for life to exist on Earth. 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. Click here to get an answer to your question Why is Life Possible On Earth? Q. 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. History of Life on Earth Life on Earth has existed for a relatively long time when compared to the age of the Earth. I have many theroies about why life is currently on Earth. They would basically boil and steam away. The Sun warms the Earth and makes life possible. The Earth is in the middle of which is called the habitable zone or Goldilocks zone. 7. It appears that Mars did have lots of liquid water at one time. In five billion years, the sun will run out of fuel and expand, most likely engulfing the Earth. Beacuase, Life is only found on Earth for a couple of reasons.We know that life requires sun, moderate temperatures, water, and certain chemical elements like carbon, oxygen, and nitrogen. Does the Moon rotate or revolve around the Earth? Earth is at an adequate distance from the sun which gives us heat that is neither too hot nor too cold. ocean-bottom "fumaroles", places where volcanic activity is The entire journey takes one hundred hours. Earth's amazing gaseous atmosphere is responsible for making life possible on this, the third planet from the Sun. Earth of course has oceans of the stuff. An astronaut on Mars would not be able to breathe the Martian air and would need a spacesuit with oxygen to work outdoors. Its also a stable and long-lasting star. Our atmosphere contains 21% oxygen, which is necessary for us to breathe, 78% nitrogen, and . Earth has a gaseous atmosphere which is responsible for making life possible on the planet.It is the third planet from the Sun. One thing is "destroyed" (i.e., totally fragmented or consumed by . The first single-celled organisms lived in an unbreathable atmosphere, composed of gases such as methane and ammonia. Sanders Sides Oneshots by premium_garbage. In the absence of ultraviolet rays reaching the earth, humans would suffer from the deficiency of. Catch up on all of the past "Why's" on theblog. Scientifically, there are many other theories that are supported through experiments. Living beings need the atmosphere to be of a specific composition, with oxygen to breathe and live, the atmosphere and the plants provide them with this gas. 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. On a biological level, waters role as a solvent helps cells transport and use substances like oxygen or nutrients. Plants need sunlight to grow. Without light the Earth would be frozen. Life as we know it is possible on Earth because of its distance from the sun, allowing water to exist in all three states, and in a cycle. 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. Most life on earth lives in warm to moderate temperatures. So why not ask an astronaut? This abundant supply of oxygen allows life forms like animals to flourish. Question Date: 2019-02-01: Answer 1: Life is possible on Earth because Earth has the particular characteristics and substances that are required by all known life forms. anything is possible! Our atmosphere contains 21% oxygen, which is necessary for us to breathe, 78% nitrogen, and . I am a software developer, a former road racing cyclist, and a science enthusiast. it provides heat happening 15,000 feet or more deep in the ice-cold waters. Its estimated that 1 in 20 stars are like our sun. speak with any precision about "life as we DON'T know it", other Our atmosphere contains water vapor which helps to moderate our daily temperatures. 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. modifier. Directions: Answer all three parts in a 10 minute time frame. Related: Habitable Zone explained by astrophysicist. Our planet has a strong magnetic field that deflects most of the solar wind, whose charged particles would otherwise strip away the ozone layer that protects the Earth from harmful ultraviolet radiation. In other words, its gravitational pull has prevented the earth from wobbling on its axis , causing dramatic climate shifts. These are not suitable for life, too. The Short Answer: Our planetary system is the only one officially called "solar system " but astronomers have discovered more than 3 200 other stars with planets orbiting them in our . [Explained], Is Earth as smooth as a billiard ball? 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. Hence, the measure of PRT is 110 . Q. I write about the planet Earth and science on this website, ourplnt.com. Why is solar power becoming important? Scientifically, there are Your email address will not be published. One factor that affects the temperature of a planet's atmosphere is its distance from the star it orbits around - it's . Humans for example, need to breathe in oxygen and can survive in temperatures that arent extreme hot or cold. The fact that Earth hosts not just life but intelligent life makes it doubly unique. Earth has a protective ozone layer which protect us from the harmful rays. Here are the 8 things that make life on Earth possible. View More. According to simulations, without the two biggest gas giants in the Solar System, Jupiter, and Saturn, life may not have been able to gain a foothold on Earth. So, the completely accurate answer is, "Not that we know of, but If it had none, there would be no seasons, and the Earth would be a radically different place. Related: Earths magnetic field is changing 10 times faster than previously thought. Life out of Earth is possible 1. in Heaven (without misery or restlessness) 2. in Hell (without rest). This has a very important role in creating a process called the rock weathering feedback. 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. Conditions might have been right on Mars to support life. For living things the correct temperature is really important. The earth is so for the only planet which consists of life- system. And, if some kind of disaster doesnt intervene, our planet should continue to host life for at least another 1.75 billion years. or I have my parent or guardian's consent. Even the strength of gravity determines the form of our bodies such as our bones and muscle strength. The atmosphere on Mars is made up of mainly carbon dioxide. Your email address will not be published. Liquid water, something found in abundance on Earth, is the last needed factor. The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. 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. Earth's amazing gaseous atmosphere is responsible for making life possible on this, the third planet from the Sun . Looking for more Never Stop Asking "Why?" 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. Carbon helps to regulate the Earth's temperature, makes all life possible, is a key ingredient in the food that sustains us, and provides a major source of the energy to fuel our global economy. Perhaps the biodiversity would be diminished, if life evolved at all. Our Sun is the most important source of energy for life on Earth. Le russe (en russe : , rsskij zk 9) est une langue appartenant au groupe des langues slaves orientales de la famille des langues indo-europennes, auquel appartiennent aussi l' ukrainien et le bilorusse. . We have yet to find a planet with the same amount of liquid water as on earth but there are many new exoplanets being discovered orbiting other stars that offer this possibility. Biological Roles of Water: Why is water necessary for life. 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. I should add that not all life is directly dependent on sunlight. 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. Waters extensive capability to dissolve a variety of molecules has earned it the designation of universal solvent, and it is this ability that makes water such an invaluable life-sustaining force. The lack of a magnetic field on Mars caused a near-total loss of its atmosphere. Il compte plus de 280 millions de locuteurs (comme langue maternelle ou langue seconde). Stars more massive than the Sun live shorter, usually not long enough for planets to develop life. . Once the student has demonstrated a command of basic mathematical . These other possible forms of life would be very far away so they are not something to worry about. We must not confuse terms. 9% argon. It is the only planet we know of that can support life. Life likely first began about 3.8 billion years ago, less than a billion years after the Earth was formed. 3000 North Meridian Street, Indianapolis, IN, USA 46208-4716 | phone 317-334-4000. Without that giant impact that created the moon, we may not be in the same place in our orbit around the Sun. The same goes for the existence of the moon. Answer. Why is life possible on Earth? No other planet has temperatures like Earth that are not too hot and not too cold. includes questions submitted by YOU and answered by the museum's astronaut Dr. David Wolf! In fact, many scientists believe that these conditions exist elsewhere and offer the possibility for life beyond just our Earth. In planetary science, the Goldilocks zone is the terminology for the band around a sun where temperatures are neither too hot nor too cold for liquid water to exist. There are many theories about how life started on Earth. Most life on earth lives in warm to moderate temperatures. How long will life survive on planet Earth? Many scientists believe that this unusually large and close orbiting satellite helps stabilize the Earth's axis or rotation. It radiates light and heat or solar energy which makes it possible for life to exist on Earth. We can't Our planet might be out of the Goldilocks Zone. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'ourplnt_com-box-2','ezslot_3',619,'0','0'])};__ez_fad_position('div-gpt-ad-ourplnt_com-box-2-0');Earth, our blue planet is a tiny oasis in a vast, cold, and dark space. What is the closest habitable planet to Earth? Solar energy also drives the Earth's climate, and slight variations in solar radiance could offset (or increase) global warming. Mars does have an atmosphere, but it is about 100 times thinner than Earth's atmosphere and it has very little oxygen. People couldnt survive on these planets. One possibility is that the Sun formed in a part of the Milky Way Galaxy that had an abundance of metals and then migrated to its current position. 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. Answer 2: Life is only found on Earth for a couple of reasons. No, here's why, This Day in Science, Technology, Astronomy, and Space Exploration History. That would have been the end of our Sun, staying just short of . Approximately three-quarters of the Earth's surface is covered by water. REASON ONE: ATMOSPHERE Earth has a bre. Angle #N# and angle #P# are supplementary. This reduces risks to Earth (or any other planet in the Solar System) from gravitational tugs, supernovae, or gamma-ray bursts (all observed GRBs have originated from outside the Milky Way galaxy, though). These questions remain central to both continental and analytic philosophy, in phenomenology and the philosophy of mind, respectively.. Consciousness has also become a significant topic of . 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. They are the brightest electromagnetic events known to occur in the Universe. We are detecting exoplanets around other stars at the right distance to have the right temperature for life to exist. The conditions necessary for life on earth, are ideal temperature range with an average between 10C and 35C, solar radiation, humidity, wind, water, land etc. 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. environments that we once considered to be "extremely hostile to This series of Never Stop Asking "WHY?" Air transport by flights and helicopters has come into widespread use. It also floats when it is frozen . If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page. Earth has the right amount of sunlight and the right amount of water. If this was the case, life on Earth would not be possible. 7. What makes the Earth habitable? Answer: Tishani Doshi calls her trip to Antarctica a 'Journey to the End of the Earth' because she crosses nine time zones, six checkpoints, three water bodies and many ecospheres to reach there. The consent submitted will only be used for data processing originating from this website. Earth's amazing gaseous atmosphere is responsible for making life possible on this, the third planet from the Sun. 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. Thick enough atmosphere to reflected back harmful solar radiation, regulate surface temperatures and protects us from outer space . A more immediate threat is a global warming apocalypse. 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. It would lose all the oceans. 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. Water is a really important ingredient to sustain the kind of life we know on Earth. and makes life possible on eath, Not "life as we know it", such as life here on Earth. 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 .
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