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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digestion.” I pondered deeply‚ then‚ over the adventures of the jungle. And after some work with a colored pencil I succeeded in making my first drawing. My Drawing Number One. It looked like this: I showed my masterpiece to the grown-ups‚ and asked them whether the drawing frightened them. But they answered: “Frighten? Why should any one be frightened by a hat?” My drawing was not a picture of a hat. It was a picture of a boa constrictor digesting an elephant. But since the grown-ups were not able
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Meteors and Comets My topic for this book report is meteors and comets. In fact that is also the title of my book where I got this information from. The author of my book is Gregory L. Vogt. Three main facts that I have learned are when meteors travel through space they are no longer called meteors‚ they are now called meteoroids. How meteoroids are formed‚ and how scientists believe that comets are very old. I chose this topic because meteors and comets have always interested me‚ and because
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The Size of the Solar System Overview • Become familiar with the scale of the planets vs. their distances. • Get an overview of the solar system. Introduction It is easy to flip to the index of an astronomy textbook to discover that‚ say‚ the Sun lies 150 million kilometers away from Earth. It is far more difficult (if not impossible)‚ however‚ to picture this distance in the human mind. In this exercise‚ we will learn to access the often unpalatable distances encountered in astronomy
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to be more out there than what has already been discovered. He made the effort to study the universe and came across what he thought was a comet‚ but ended up being planet Uranus. What questions were asked? There weren’t as many questions asked as a normal scientific discovery since it is claimed that Herschel discovered the planet Uranus by accident. However‚ as his discovery began to progress‚ many questions came about like ones about the satellites near Uranus. Herschel had discovered that there
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Planet Distance from sun (in km) Distance in scientific notation Mercury 57‚909‚000 5.7909*10^7 Venus 108‚200‚000 1.082*10^8 Earth 149‚600‚000 1.496*10^8 Mars 227‚940‚000 2.2794*10^8 Jupiter 778‚400‚000 7.784*10^8 Saturn 1‚423‚600‚000 1.4236*10^9 Uranus 2‚867‚000‚000 2.867*10^9 Neptune 4‚488‚400‚000 4.4884*10^9 (dont
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