The planet in danger I recognized how our world is in danger. I had always pictured the earth to be a wonderland with perfect habitats of luscious plants and animals. But I now realized that this world is not as perfect as I thought. Humans have been living on this planet for two million years and in the last two hundred years‚ humans have made a mess of the planet: chopped trees‚ killed animals‚ polluted air‚ water and soil. The twentieth century was the century of a huge scientific- technical
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Health & Fitness Industry Health and Fitness are a big aspect in the world today. This industry has had an incredible amount of growth over the past 30 years. The industry first became popular in the 1970 ’s‚ with the idea that it would not always be popular. "Most Americans rate their physical and emotional health as a top personal priority." This industry has two major demographic groups; The Boomers and the Gen Y generation. The main reason why the Industry has grown and is still growing is
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each habitable planet‚
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PLANETOLOGY Planetology is the branch of astronomy that deals with the physical features of the planets. Planetology studies include the origin and composition of the planets‚ and the solid bodies of comets and meteors found in the solar system. Comet‚ Asteroid‚ and Meteor An asteroid and a comet are very similar‚ and yet at times they are unique and easily distinguishable from each other. An asteroid and a comet are both a small solar body system‚ rotating around the sun. An asteroid consists
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science? Lesson: Can you tell the difference between a star and a planet in the sky? Hypothesis: I believe that with the aid of the informal planetarium tool and a formal lesson misconception can be lesson‚ corrected. Materials: Planetarium‚ Assessment‚ Solar system picture Research done in my college course SCIE:3350 (Descriptive Astronomy) Step 1: Take first assessment Step 2: Formal lesson on the movement of the planets Step 3: Planetarium Presentation Step 4: Take second assessment
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away from the observer. Focal plane – The place where an image created by a lens or mirror is in focus. Light pollution – Human made light that hinders astronomical observations. Terrestrial planet - Rocky planets similar in overall composition to Earth. Jovian planet – Giant gaseous planets similar
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I learned that William Herschel was not originally an astronomer by trade. He was actually an Organist in the city of Bath. After he had discovered Uranus‚ he sought to find how planets and stars were made rather than tracking the orbits of comets and planets. I find this significant because Herschel sought information that was different than what other astronomers were studying at the time. What was the motivation that led to the discovery? William Herschel was frustrated with the small telescopes
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much credit while he was alive‚ but his idea started to catch on. Tycho Brahe 1546-1601 Tycho was friends with the king of Denmark‚ consequently the king gave Tycho a big observatory‚ which Tycho used to make precise measurements of the stars and planets. Tycho was the first to realize that the sky did change and evolve. Opposite to the church’s teachings that the sky didn’t change because God made the sky‚ and as God was perfect‚ it was right the first time. Therefore‚ the sky did not change. Tycho
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is in the Sun. Of the many objects that orbit the Sun‚ most of the mass is contained within eight relatively solitary planets whose orbits are almost circular and lie within a nearly flat disc called the ecliptic plane. The four smaller inner planets‚ Mercury‚ Venus‚ Earth and Mars‚ also called the terrestrial planets‚ are primarily composed of rock and metal. The four outer planets‚ the gas giants‚ are substantially more massive than the terrestrials. The two
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Sec 2 Uranus is the 7th planet from the sun The average distance from Uranus to the sun is 2‚877‚000‚000 km. It takes 84.02 Earth years for Uranus to Orbit around the sun. Each Uranus day is equal to 17.24 Earth hours. Uranus is a greenish blue planet‚ it rotational axis different from all other planets as it rotates on its side‚ like a ball. Sec 3 Uranus is 50‚724 km in diameter and it is the third largest planet. There are 27 known moons orbiting Uranus
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