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    Astr 100 Exam 2

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    star‚ 8 planets‚ 5 dwarf planets‚ 139+ moons‚ countless small solar system bodies * A major lesson from all this is that the solar system is almost entirely made of nearly empty space * All planets orbit the sun in the same direction (counter-clockwise) * Most rotate in the same direction * Venus rotates backward * Uranus rotates on its side (equator perpendicular to equator) * nearly all the moons in the solar system‚ including Earth’s moon‚ orbit around their planets counterclockwise

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    The Copernican Revolution

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    formulated by the Greek philosopher Ptolemy around 140 AD. The sun‚ moon‚ planets and stars all revolved around the earth in circular orbits. Back then‚ everyone “knew” that the earth stood still at the center of the universe. But there were problems with this model. Although the stars move smoothly through the heavens along fixed circular orbits‚ the planets do not. They wander among the other stars (which is where the term “planet” came from; it means “wanderer” in Greek). Their speed varies‚ their

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    Earth and Outer Space

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    everything on its way. Until he reached the Milky Way galaxy. He collided with another comet near a black hole. The explosion was so the black hole exploded and made many planets. The planets were scattered throughout the galaxy. Then the being that was inside named Atlas came out and headed towards earth since he was near the planets. Atlas then started pulling things out a small bag that he contained around his waist. He pulled out things that looked like little mountains. Atlas then threw the

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    AILING PLANET

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    movement’s role in reconstruction of this ailed planet is discussed in the chapter ‘THE AILING PLANET: GREEN MOVEMENT’S ROLE’ in English textbook of class x1.since it is just an article from The Indian Express published on1994 November 24. For the sustainable development of ‘world’s most dangerous animal’ man‚ he had exploited the nature a lot. It is more than a lot truly. Since nature is the raw material for all our needs‚ we will be living in an ailed planet soon if the nature is destructed like this

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    Saturn

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    the second biggest planet in the solar system with a mean radius of about 58‚ 232 km but it is the least dense planet in the solar system. It’s density is about 0.687 grams per cubic centimetre making it the only planet less dense than water. Saturn spins faster than any other planet except Jupiter‚ completing a rotation roughly every 10 and half hours. The rapid spinning causes Saturn to bulge at its equator and flatten at its poles making it the flattest of the planets. The planet is 13‚000 km wider

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    Private Space Programs

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    Some people say if we travel around space and find a habitable planet that it will further the arms races which might start a galactic war for the found habitable planet. They think this way by cause of what has happened before with huge moments in history‚ like the atomic bomb starting the hydrogen bomb race with Russia (Obama et al.). Otherwise‚ If we travel space

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    astro quiz

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    impact? The Pacific Ocean appears to be a large crater - probably the one made by the giant impact. Question 3 Which of the following best explains why we can rule out the idea that planets are usually formed by near-collisions between stars? Stellar near-collisions are far too rare to explain all the planets now known to orbit nearby stars. Question 4 According to our present theory of solar system formation‚ which of the following objects now reside quite far from the place where they formed

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    death. 1609- Kepler’s first book‚ The Astronomia Nova (New Astronomy)‚ was published. It discussed the orbit of the planet Mars and stated: • Law of Ohm- the sun is located at one Foci(one of 2 centers of an ellipse) • Kepler’s first Law: The orbit of a planet about the Sun is an ellipse with the Sun’s center of mass at one focus. • Kepler’s second Law: A line joining a planet and the Sun sweeps out equal areas in equal intervals of time. • Solved the problem of planetary motion by using Copernicus’s

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    AQA Revision Booklet

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    own mass although you may lie if you wish!). Planet Your mass (kg) Gravitational field strength (N/kg) Your weight on the planet (N) Mercury 3.7 Venus 8.9 Earth 9.8 Mars 3.7 Jupiter 23.1 Saturn 9.0 Uranus 8.7 Neptune 11.0 Pluto 0.7 7. Gravitational field strength is different on different planets. Why? 8. On which planet will you be heaviest (greatest weight)? 9. On which planet will you be lightest? 10. Imagine that a hole

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    Drake Equation Lab Report

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    Fairuz Dalilah Binti Abdul Rashid Are We Alone? : Discovering Life on Other Planets Habitable Zone and The Drake Equation A habitable zone‚ which is also known as the Goldilocks Zone‚ is basically a region where there is a probability in finding the extraterrestrial life. The finding is based on the temperature and the pressure of a certain planetary-mass objects. When the temperature is between 273K and 373K‚ there will be presence of water that can support the extraterrestrial life to live in

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