Uranus hangs on the wall of space as a mysterious blue green planet. With a mass of 8.683e25 kg and a diameter of 51‚118 km at the equator‚ Uranus is the third largest planet in our solar system. It has been described as a planet that was slugged a few billion years ago by a large onrushing object‚ knocked down (never to get up)‚ and now proceeds to roll around an 84-year orbit on its belly. As the strangest of the Jovian planets‚ the description is accurate. Uranus has a 17 hour and 14 minute
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center of their rotation Obliquity - tilt of a planet’s axis Ecliptic - a plane in space defined by Earth’s orbit around the Sun; plane by which the orbit of all other planets in the solar system are compared Inclination - angle between plane of orbit and ecliptic plane Transit - passing of object in front of star‚ transit of planets can only occur on line of nodes; transit of Venus will occur next year and will not occur again until 2117 Prograde - Normal orbital motion‚ right hand rule (counterclockwise)
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states that planets move in elliptical orbits with the sun at one focus. Think of the elliptical shape as a part of a cone. This is the shape of the orbit that becomes an inverse square force‚ which is an intensity in the gravity field. The eccentricity is the ratio of the distance between the foci to the major axis of the ellispe‚ which is basically the orbit of each planet. Since the formula is Ra= a(1+e) and Rp= a(1-e)‚ when e=0 for the orbit‚ we can then calculate the orbit for each planet. These
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Johannes Kepler was born December 27‚ 1571. He was a German mathematician‚ astronomer‚ astrologer‚ and a key figure in the seventeenth century. He is best known for his eponymous laws of planetary motion. He believed that God had created the world according to an intelligible plan that through the natural light of reason. Kepler’s first major astronomical work‚ Mysterium Cosmographicum‚ was the first published defense of the Copernican system. On July nineteenth 1595 he had an epiphany. He realized
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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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Drake equation allows scientists to calculate the uncertain number of factors which may determin possible extraterrestrial civilizations. Frank Drake looks to answer the question “ How many planets might have life?” The equation highly involves the fraction of stars that have planets and the number of planets that could support
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terrestrial planets? How did our galaxy form? And what is a black hole? To begin‚ I interviewed my brother first. He has never been a fan of astronomy‚ so I didn’t expect him to know anything. When I asked him what he knew about Saturn he said “Oh that’s the planet with the rings” that’s pretty much all he knew about it. When I told him that the rings were not solid‚ but that they were made up of chunks of ice and rock‚ he was very surprised. He had no idea what the terrestrial planets were. When
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March 20th‚ stopped for candy bars first! And then proceeded to the observatory. We observed Venus‚ Mars‚ Jupiter (and it’s 3 moons) and also talked about a few star constellations as well. Venus‚ that night was in it’s gibbous phase‚ and as I observed I noticed that Venus was a whole lot brighter in the sky to the naked eye than Jupiter and its three moons were. We looked directly behind us and saw Mars‚ which gave off a very dull red hue‚ but again this was probably due to us just viewing it with the
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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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Kevin Navarrete Benham‚ Timothy ENC1101 Mon-Wed 9:30-10:45am 4-1-13 Formation of Earth and life on earth. About 4.57 Billion years ago our planet earth was formed. Earth contains many things that allows us to live. How was the Earth formed and why do we live in it is a question many of us would like to find out‚ but there are many answers to these questions and we cannot come up with a conclusion. The theory that is said to explain the formation of our earth is called the Big Bang
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