why is life possible on the earth

@media(min-width:0px){#div-gpt-ad-science_atlas_com-banner-1-0-asloaded{max-width:250px!important;max-height:250px!important;}}if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[250,250],'science_atlas_com-banner-1','ezslot_2',103,'0','0'])};__ez_fad_position('div-gpt-ad-science_atlas_com-banner-1-0');What Makes Earth So Perfect for Life?. Finally, in 1991, geologists discovered a website that demonstrated what made an appearance is the sediment from the massive tsunami sixty five million years back. There are a few key ingredients that scientists often agree are needed for life to exist but much debate remains as to what limits there actually might be on life. Many people want to learn why is life not possible on all planets. Nine actually quite gross facts to swot up about flies (and other winged things), View Nine actually quite gross facts to swot up about flies (and other winged things), Subatomic science: 10 things we know (and dont know) about the fabric of the universe, View Subatomic science: 10 things we know (and dont know) about the fabric of the universe, That's so unfair! Earth is not the only world with an atmosphere. The conditions of Mars do not affect Bamboos because the Martian soil serves as a support for them and it doesnt need enough nutrients for it to grow. The planets name in Latin used academically and scientifically in the West during the Renaissance is the same as that of Terra Mater the Roman goddess which translates to English as Mother Earth. Eleven out-of-this-world facts about the search for alien life, So-lar so good how the sun made us who we are, View So-lar so good how the sun made us who we are. No. The consent submitted will only be used for data processing originating from this website. 1. The Earth has vast reserves of water. The footpad of the Viking lander is visible in the corner of the image. If we want to send physical mass out into the ether, in the form of probes or people, then it gets a lot more challenging. If that motion suddenly stopped the momentum would send things flying eastward. Its possible that extra-terrestrials have made contact with Earth even visited but it was way back in the Jurassic era, when dinosaurs roamed the earth, and so we simply dont know about it. Any aliens out there may feel apathetic about us Earthlings! How long will life survive on planet Earth? If we detect the kind of substances we find in Earths atmosphere, it wouldnt necessarily confirm that theres life out there but its a strong indication that its possible. It is located in what astronomers call the Galactic habitable zone, the region of a galaxy in which life might most likely develop. Water covers 70% of Earths surface. Its diameter is about 8,000 miles. The existence of the biosphere makes the availability of different resources like food, water, and air. Scientists and engineers at the Center for Astrophysics | Harvard & Smithsonian may soon be able to answer that question. Comment document.getElementById("comment").setAttribute( "id", "acab75269845e53d40ce600d8097c4f5" );document.getElementById("ae49f29f56").setAttribute( "id", "comment" ); Save my name, email, and website in this browser for the next time I comment. Its the only planet we all know of this supports existence. Were pretty convinced its out there, says space scientist Maggie Aderin-Pocock. The gas in outer planets is mostly hydrogen and Venus and Mars have mostly carbon dioxide in their atmospheres. UFOs became a part of pop culture during the Cold War. Besides providing us with something to breathe, it shields us from most of the harmful ultraviolet (UV) radiation coming from the Sun, warms the surface of our planet by about 33 C (59 F) via the greenhouse effect, and largely prevents extreme differences between daytime and nighttime temperatures. Life exists only on earth because of the following reasons: Earth is at an adequate distance from the sun which gives us heat that is neither too hot nor too cold. The average temperature of the Earth is a fundamental part of what allows Earth to be habitable. Copyright 2015 PublishYourArticles.Net, All rights reserved. Milky Way universe is appropriate for lifeThe safest environments for existence much like that on the planet would be the cheapest density regions within the borders of huge galaxies such as the Milky Way. You also have the option to opt-out of these cookies. The ozone layer protects the Earth from ultraviolet rays. The thin Martian air does heat up in the sunlight to a temperature of around 70 degrees but can just as easily fall to 50 below at night. How is life possible in Earth? As it does, Earth's own spin rate is . All of these are the various factors which make existence on the planet possible. 143 2e9 7a5 196 66d 06a 4e5 9a7 b80 6f4 c81 502 8cb e91 7aa cda bee 60b 1de 9a8 9f3 e75 a3f 8da d84 e19 9c6 d46 4dd 09e e04 0f4 299 90a 062 443 6e8 56e b1c c86 60b 53b 8dc eb5 e57 8e8 483 f01 b06 205 057 3f2 619 72e 72e e0c b18 f56 5ef 6c0 df3 fca f32 e78 63f 1a4 0a6 7ec daa 4ce a9d 2a6 d1c 008 8e7 d9c b26 8bd 6a7 701 4a8 68f c0d 84c 0b3 c27 d68 d68 91a ddf 52c 452 f42 b99 f61 122 44a e14 250 c25. What are the factors responsible for making earth to lead in biological revolution ? To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Life can originate on the Earth from pre-existing life only. For most of the history of life on Earth it was very simple life. 3 light-years away from our solar system. Our Sun is the most important source of energy for life on Earth. Earth is the only planet that humans know has life, however it is possible that many planets outside of our solar system have life and humans just don't know it yet! When the solar system settled into its current layout about 4.5 billion years ago Earth formed when gravity pulled swirling gas and dust in to become the third planet from the Sun. Required fields are marked *. The Earth has a large amount of oxygen in the air. The temperature and atmosphere of the earth makes life comfortable for the organism. It is unique among planets in our solar system for having water in its liquid form at the surface, in an amount conducive to life evolving. The fact that Earth hosts not just life but intelligent life makes it doubly unique. In this pleasantly humorous talk, Brain explores the fascinating science behind what it takes for a planet to host life and why humanity may just be in the right place at the right time when it comes to the timeline of life-sustaining planets. 6 THINGS THAT MAKE LIFE ON EARTH POSSIBLE. The closest star system to our own made headlines on Tuesday (Oct. 16) with the announcement that it hosts a planet about the mass of Earth a tantalizing discovery so close, astronomically speaking, to us. @media(min-width:0px){#div-gpt-ad-ourplnt_com-narrow-sky-1-0-asloaded{max-width:250px!important;max-height:250px!important}}if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'ourplnt_com-narrow-sky-1','ezslot_16',624,'0','0'])};__ez_fad_position('div-gpt-ad-ourplnt_com-narrow-sky-1-0'); 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. But other moons and planets show signs of potential habitability. The ability of the Earth to harbor life makes the Earth a unique planet in the solar system and this stems from the fact that water in liquid form exists on the planet. Its not just about finding exoplanets in the habitable zone if we are to discover other planets with life on them. 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). document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); This site uses Akismet to reduce spam. As things stand, we are able to send radio waves at the speed of light but thats just a radio wave, travelling through the vacuum of space. Earth has a protective ozone layer which protect us from the harmful rays. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. So, to leave our Galaxy, we would have to travel about 500 light-years vertically, or about 25,000 light-years away from the galactic centre. How does Earth differ from its twin planet? 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