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Essay On Habitable Planet

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An habitable planet should have water that is needed for chemical reactions in cells or what we call “chemosynthesis” which an energy is released by inorganic reactions to produce food. In short, Chemosynthesis is literally a fuel of life on Earth. Next is the planet should be near the sun in order to absorb energy for photosynthesis so plants could survive. It should be rocky stable planet that could live up to billions of years and not a very big planet because a big planets don 't last long enough for life to develop. Having similar day and nights and also seasons just like the Earth we have now is also required. An habitable planet should also have an atmosphere that keeps air and and proper oxygen inside, which it protects us from UV rays …show more content…

These are carbon, hydrogen, oxygen and nitrogen. We know that planets are formed from a strong rotating cloud creating a cloud of gas and dust or what we call “solar nebula”. After this, the nuclear reaction of the sun will begin at the very center of nebula. Thirdly, planets will form by collecting materials within the rotating currents of the clouds. And then an in progress planets that are closer to the sun will become a very small rocky planets.Meanwhile the outer portions of the solar nebula, some debris or obstacles and those gases are being combined in order to form a massive gas planets. The question, how do we find a planet sized orbiting a star lightyears away from away? The answer is we can 't locate them as they will appear nothing but a tiny but of light even if we use large telescopes. Additionally, planets itself are very small and dark compared to other stars which we find it difficult to detect from Earth. Nowadays, Scientists use method of detection which is “transit method”. Unfortunately, They believe that using transit method will help us discover more exoplanets and that we could also determine its size. They believe that this method happens when a planet crosses in front of a star, then the brightness of the star drops a small amount as planet passes from a

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