corporations have already come into effect and are currently working on technologies that can help access a completely new field of work to be accessible to many. In turn‚ hundreds of years from now‚ space mining can lead to things outside of our own solar system‚ creating even more leaps and major discoveries for space exploration. Possibly thousands of years from now‚ people and corporations will be fighting over the ownership of planets. A man named Greg Laughlin has even divined an equation based off
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is an object about the size of mars knocked into Earth‚ forcing a piece of earth to fall off‚ forming the moon. There are four different theories accepted by scientists. The capture theory explains that the moon was formed somewhere else in the Solar system and passed by earth. When it passed by earth the earths gravity contained the moon‚ forcing it to orbit the earth. The sister or coaccretion theory is if the moon was formed the same time as the earth using the same
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Measures of Astronomical Distances • Let’s view the Universe in terms of kilometres – The size of the observable universe is roughly 130‚000‚000‚000‚000‚000‚000‚000 km ! - Obviously measuring astronomical distances in km is inconvenient. - We need much BIGGER units of distance: • Some commonly used distance units: 1 ly (light year) = Distance traveled by light in 1 year = 9.46 trillion km 1 AU (astronomical unit) = average distance between the Sun & Earth = 150 million km A unit of distance‚
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Centrifugal force - the tendency of rotating object to flee from the 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
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What is Gliese 436b? Gliese 436b‚ also known as GJ 436b‚ is a Neptune-sized exoplanet‚ a planet that orbits a star outside the solar system‚ which orbits the red dwarf Gliese 436. Gliese 436b was the first Neptune discovered with certainty in 2007. It was among the smallest known transiting planets in mass and radius‚ until the much smaller Kepler exoplanet discoveries began in 2010. Gliese 436b was discovered in August 2004 by R. Paul Butler of the Carnegie Institute of Washington. Also‚ Geoffrey
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state theory dust cloud theory pulsating theory In cosmology‚ the Steady State theory (also known as the Infinite Universe theory or continuous creation) is a model developed in 1948 by Fred Hoyle‚ Thomas Gold‚ Hermann Bondi and others as an alternative to the Big Bang theory (known‚ usually‚ as the standard cosmological model). In steady state views‚ new matter is continuously created as the universe expands‚ so that the perfect cosmological principle is adhered to.Theoretical calculations
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Astronomy Test Review Chapter 1 1. What is our comic address in order of increasing size? - Our solar system is located a little more than half way from the galactic center to the edge of the galactic disk. - Earth - The solar System - Milky Way Galaxy - Local group - Local supercluster - Universe Where is the Sun in the Milky Way? -The sun is located in one of the Milky Way’s outer arms‚ about 25‚000 light years from the galactic center. - Also in the Orion Arim‚ more than half
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Our solar system consists of the sun and nine planets. Mercury is the closest planet to the sun. Mercury was named after the Roman God of Commerce and Thievery. It might have gotten its name because of the way it quickly appears and disappears from Earth’s view. Mercury is the second smallest planet in the solar system; Pluto is the only planet that is smaller. Earth’s diameter is about 7‚200‚ while tiny Mercury has less than half of that size‚ about 3‚000 miles in diameter. Mercury‚ a planet‚ is
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more interesting and pleasing then I expected it to be. The first exhibit that I came upon was “On our Solar System” it had the clone model of the rover that is currently taking pictures and samples of the planet Mars which is also known as “The Red Planet”. There were pictures of all the moons and planets discovered in our solar system which was way more than I knew about. I saw a couple models of old telescopes that were used by our famous astronomers back in the day. I believe they had one that
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galaxy in the Universe Outline the historical development of models of the Universe from the time of Aristotle to the time of Newton Aristotle (approx. 350 BC) His theory proposed: * Earth was round‚ rather than flat * Earth was the centre of the Universe and that the Sun‚ the Moon‚ and other visible planets‚ as well as a celestial sphere containing all the stars‚ revolved around the Earth‚ this model was known as a geocentric model (Earth in the centre) Aristarchus (240 BC) He has an alternative
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