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Plants photosynthesis
The Sun And It'S Features
Plants photosynthesis
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The sun is the star at the center of the solar system and is the source of light and heat for planets like Earth. The sun has eight satellites that we call planets orbiting it: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Without the sun, we wouldn’t be where we are today. Our star is the closest one to our planet so we are able to observe and study it and its solar phenomenon’s such as sunspots, solar flares, solar winds, and prominences.
The sun is 1,390,000 kilometers in diameter and weighs out to about 1.989e30 kilograms. Being 5,800 degrees Kelvin, the sun is so hot nothing can get close enough before it gets burned up. The suns’ core is 2700 times hotter than the surface being 15,600,000 degrees Kelvin and has the pressure of 250,000,000,000 atmospheres. It is made up of mostly hydrogen (70%) and helium (28%) with less than two percent being made up of metals but these percentages changes slowly over time as the Sun is continuously converting hydrogen to helium at its core.
The sun has multiple “layers.” The suns’ photosphere is the visible sun, which is what we see. It is one of the coolest regions of the sun being only 6,000 degrees Kelvin. It is 500 kilometers deep and the suns’ convection brings the energy up to the photosphere. The chromosphere is only seen during an eclipse and it looks like a thin pink line. For reasons unknown, the chromosphere is hotter than the photosphere and can range anywhere from 6,273 degrees Kelvin to 20,273 degrees Kelvin. At these high temperatures hydrogen emits a reddish color, which can clearly be seen in a prominence. The chromosphere contains spicules, which are flame like extensions of the chromosphere into the corona. The corona has a milky white glow during ...
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... the speed of light!
The sun has many mysteries that we still can not yet explain but it is still fascinating how we depend so much on it and without it we would not be alive today.
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2, Alter Dinsmore, Cleminshaw H. Clarence, Philips G John. Pictorial Astronomy. United States: Sidney Feinberg, 1963.
sun as a principle of heat and light for the earth is a symbol of the
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"The Life and Death of Stars." National Aeronautics and Space Administration. 16 Apr. 2010. Web. 2 Dec. 2013. .
There can be several solutions to the puzzle. One is that we do not understand the Sun well enough.
Our Sun is a perfect example of a star, and there is an incredible amount of stars in the Universe. It is a star among hundreds of billions of stars within our Milky Way Galaxy, and our galaxy is one of billions of galaxies in the universe. Stars live for a very long time; millions, billions, or tens of billions of years so we can never really observe the life of a star; its birth, life, and death. In determining the life cycle of a star, astronomers observe many of the billions of stars around us and see them at different stages of life, therefore piecing together a star's evolution.
Smil, Vaclav. "The Long Slow Rise Of Solar And Wind." Scientific American 310.1 (2014): 52-57. Academic Search Complete. Web. 16 May 2014.
I find that I am very attracted to the idea of renewable resources, and what us on Earth have been able to find out about the Sun over the course of history. Therefore, I determined that for my personal project, I would find a way to discuss and elaborate on not only how modern humans nowadays use the Sun for luxurious reasons, but also on a more simple scale, such as heating, survival, and the such. I also determined that the best way to show how far humankind has come with researching renewable resources was to go into history, and study how the history of the research have encouraged us to research further, leading to newer, more interesting discoveries throughout the years.
the reader think about how mighty the sun is and what it does to us
The Sun is a star, just like the other ones humans can see in the atmosphere at night. The Sun is actually much closer. In fact, our Sun is a somewhat traditional star, it is not too big or too small, it isn’t even that young or really old. Just an ordinary star. However, as a result of the Sun being so close to Earth, Astronomers believe the Sun is the star we can easily study. The Sun contains some basic elements that can be found on Earth. The Sun is estimated at 92% hydrogen and 8% helium.
The star we call the Sun has a number of small objects circling around it. Many other stars in our Galaxy have objects orbiting them too and astronomers have recently discovered a few of these other systems already. The largest members of the Sun's family are called planets, and one of these we call home. That planet, Earth, has many unique characteristics that enable life to exist on it. What are the other planets like? We have learned more about our solar system in the past few decades than probably any other field of astronomy. The planets are no longer just objects up in our sky, but places we have been and explored---worlds in their own right. To give an adequate coverage of each of the planets would fill up a whole book (or more)! Since this web site is an introduction to all of astronomy, I will not explore each planet individually. Instead, I will focus on the common characteristics of the planets such as their Distance relative to us, mass, size and etc.
Our Solar System is a wonderful place, with its profuse planets big and small, giant icy wastelands and tiny volcanic planets. It is the only place known to have a planet to have a planet that supports life. The Sun, two asteroid belts, eight planets, and five dwarf planets make this place truly awesome.
It is by far the brightest object in the sky and is about 13 billion times brighter than the next brightest star, Sirius. Without it the earth would be dark and cold. The Sun and the light in provides supplies us with many resources. It helps plants produce oxygen through the process of photosynthesis and overtime creates fossil fuels. Photosynthesis is a chemical process which water and carbon dioxide combine together in the presence of sunlight and chlorophyll, which is the chemical that makes the leaves in plants green, to produce glucose and oxygen. Plants absorb sunlight for food and they release oxygen, in which we breathe. If there were no sunlight, the photosynthesis process could not take place. The plants would not be able to produce energy for their survival, leading to the disappearing of people and animals because they depend on food and oxygen to breathe which is supplied by the plants. So in simple terms, if there were no sunlight, there would be no life on earth. Another point is that because the Sun has no defined surface like that of the Earth, it is too hot to be anything but gas. So what we see as the Sun’s atmosphere is a photosphere, a sphere of light. Which in turn emits light because of its high temperature. The energy that comes from the center of the sun, its core, is created by hydrogen-to-helium fusion. With this energy, atoms absorb photons and convert their energy to kinetic energy, maintaining the high temperatures needed for fusion. The frequency of these collisions and the temperature decrease with increasing distance from the core, however, and at the photosphere, which is the sun 's outer layer, some of the photons radiate into space. They are responsible for the light that humans see on