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Infrared Radiation Case Study

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1. Why do astronomers think that there may be other advanced civilizations?
Astronomers think there may be other advanced civilizations because the universe is billions of years old. There are many other planets out there like Earth that are sustainable for life, even if we have not yet found those planets. They reason that of all the planets and galaxies there is great possibility of life, due to the length of time that the universe has existed and expansive array hospitable planets.
2. What technologies are astronomers using to look for life on other planets? Why?
The technologies that astronomers are using to look for life on other planets include laser beams. Astronomers are using lasers because the pure colors, which are single frequencies of light, are unlikely to be produced by any natural process. This means that if astronomers are able to pick up laser beams …show more content…

There are many difficulties in detecting a Dyson sphere, the first being that a heat telescope must be sent into space to do any searching. Infrared radiation, which is what a Dyson sphere would give off, doesn’t penetrate Earth’s atmosphere very well, plus the Earth itself gives off a lot of infrared radiation. To detect infrared radiation one must move out of and away from the Earth. Another thing that would make this difficult is that, once you have a telescope in space, you have to figure out what you are looking for. No one knows exactly what a Dyson sphere would look like, so they must go off their expectations of one. While looking for a Dyson sphere, an astronomer must also be aware that some red areas that look as though they could be a Dyson sphere are stars and other expanse red infrared radiation may just be dust from stars. To find a Dyson sphere an astronomer must make sure that the area they are studying does not have dust around it or an obvious score of infrared

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Normally, if one would need to buy a laser diode and photodiode of a specific wavelength (1550nm or 1310nm), then it had to be bought internationally. This would have taken a long time to get. There were limited amount of laser diodes and photodiodes found in the lab, as some of these laser diodes and photodiodes cost around R2000.00 each. These components are very sensitive to electrostatic shock. By taking the cost into consideration, the laser diodes and photodiodes should be used with care.

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2.03 Electromagnetic Spectrum- The Visible Assignment 1. A Doppler radar can see the amount of precipitation that there is in a thunderstorm. It can also see the direction of the precipitation in a thunderstorm as it moves closer or away from the radar.

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Jessica Vandeventer 23 March 2016 Quantitative Spectroscope and Visible Light Purpose/Question- The purpose of the lab is to build a diffraction grating spectroscope, and to view different lights. We also are going to draw the light spectra of the various light sources.

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In this article, the author Lauren Tarshis illustrated why scientists predicted aliens probably exist. At first, there was a radio report describing scary scenes that alien devastate the earth, which result in thousands of Americans fled their homes. In fact, they missed the introduction of the radio report that it was a work of fiction and came from a famous science-fiction novel called The War of the Worlds by H.G. Wells. After this event, scientists began to explore whether aliens exist. They focused on the planets that have sufficient water, earth-sized and belong to "Goldilocks planets" (have suitable distance with stars) so that it can support life.

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Internal Factors External Factors Strengths Opportunities Technology: ● Functional benefits of SSL ● Significant economic and environmental advantages of using SSL ● Strong intellectual property portfolio Competitive Advantages: ● Pioneering in full-spectrum SSL technology with patents. ● Outsourcing all of its manufacturing to the companies in the United States and China, Operational Capabilities: ● Overcoming the financial challenge with a restructuring cost of nearly $3.9 million. Favorable Market Conditions: ● The total LED segment had increased at a rate of 11 percent over the previous seven years to almost $2.3 billion in 1999. ● High-brightness LEDs had a market size of $680 million in 1999 with a projection of continued growth to nearly

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Evidence and theories shows that the production of life is incredibly delicate, lucky, unlikely, and rare. But to counter that argument, there is also the fact that there are billions of planets in a single galaxy, and billions of galaxies in the known universe, so the likeliness of life starting on another planet isn’t ruled out. 3. List and define some of the scientific evidence and scientific principles Sacks mentions in his essay.

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Are we the only planet that has living creatures, Humans, and other sources of life forms? Can it be true that there are other life forms in our galaxy? Life forms such as Aliens or Martians. Many witnesses and even some of the people who have heard or seen about the Roswell all have this same question in mind. The only problem with finding out the truth is that the truth is hidden away and kept a secret by the government.

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Some of the greatest mysteries known to mankind exist outside of our planet. These mysteries are also the most challenging to solve. The curiosity of what lies beyond on our planet existed long before the technology or resources were available to research these questions, so prehistoric humans would develop theories to explain what they could see, being the moon, stars, and planets. Globally, every country has spent an extreme amount of money, resources, and time to research and explore our universe to begin answering these questions. The United States and the National Aeronautics and Space Administration, commonly known as NASA, began in 1958 and since then has been responsible for the study and engineering behind all american space exploring

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"It's highly improbable in the limitless vastness of the universe that we humans stand alone," according to the NASA administrator Charles Bordon. NASA also plays an important role in the search for life. The launch of the James Webb Telescope in 2018 is said to give an extra boost in the field. The new piece of equipment is designed to study infrared light, making it easier to spot extrasolar planets. According to Matt Mountain, director of the Space Telescope Science Institute, it would take a new generation of space telescopes to hunt extraterrestrials.

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The United States is the country where most immigrants reside in the world. In fact, economic dispossession, lack of access to education and employment, violence, and other personal factors have motivated people from all over the world to seek a new life in America. Despite this, it is also the country that leads in high consumption and is thus the main enemy of the environment. There is a similarity between environmental damage and economic development: both grow simultaneously. But why are human beings not aware of both growths?

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NASA's 2001 Mars Odyssey rocket was furnished with an uncommon instrument called the Martian Radiation Experiment (or MARIE), which was intended to gauge the radiation condition around Mars. Since Mars has such a thin air, radiation recognized by Mars Odyssey would be generally the same as at first glance. Through the span of around year and a half, the Mars Odyssey test identified continuous radiation levels which are 2.5 times higher than what space explorers encounter on the International Space Station – 22 millirads every day, which works out to 8000 millirads (8 rads) every year. The rocket likewise recognized 2 sun based proton occasions, where radiation levels topped at around 2,000 millirads in a day, and a couple of different occasions

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To be fair we have only been listening for 60 years. We define toy have the telescopic power to identify intelligent extraterrestrial life. There are billions of exoplanets that could potentially foster life. Highly intelligent aliens might not want to visit us because we are un intriguing. It is probably like searching for a grain of sand in a desert.

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There widely differing views on the issue of whether space investigation programs are logical and critical or not. Some people would argue that we should be curious regarding other planets and Milky Way; however, I personally believe that these investigations and efforts should not be applied in people’s life because of its potential negative influences. On the one hand, those who support communicating and conveying messages to other planets claim that it is essential to welcome alterations in our lives. In other words, it is an undeniable fact that we should open ourselves to new experiences and occurrences in order to enhance our general knowledge and information.

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Introduction As we already know UV (aka sunlight and artificial UV lighting) can cause forms of skin cancers. It seems to be common sense now days but we really don’t know how or why specifically and we also don’t really know what preventative measures actually work. As we grow up every day we expose ourselves to sunlight but unless we are going out to the beach or pool, we don’t take preventative measures to keep our skin safe from radiation and some are even attempting to do the complete opposite for beautification.

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