The definition of physics is “the study of matter‚ energy‚ and the interaction between them” (Physics.org‚ 2016) Physicist working in the astronomy field are constantly making new and exciting discoveries to do with the universe. Discoveries in fields such as quantum physics‚ particle theory‚ cosmology‚ quantum mechanics and general relativity allow us to better our knowledge about the phenomena which has been observed for centuries and has pondered the minds of physicists such as Einstein‚ Feynman
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When I look back onto early cultures‚ it is nice to have reminders like these letters. No matter how outlandish or unfamiliar the society reveals itself to be to me‚ I can still understand that I am dealing with ordinary people. These letters provide the raw primary source needed to show examples of average Renaissance life from the nontraditional historian perspective. The main ideas such as strict tradition‚ religion‚ and societal norms breakthrough in the words of the Florence citizens clearly
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Ancient Egypt is a fascinating and complex place that greatly influenced much of the modern world today. Egyptians had made great strides in written records‚ making them one of the first few cultures in which historians had an accurate depiction of Egyptian society and how it functions. The ancient Egyptians were a highly advanced people in terms of technological and economic innovations‚ placing much emphasis on religion‚ gender roles‚ and a strong hierarchy. Their location along the Nile river
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modern democracy‚ but there are still inequalities among the people. For millions of years‚ our ancestors lived in a group of 30 to 50 people and lived by hunting and looking for food wandering here and there in the jungle. Human nature developed in this social context. Only ten thousand years ago‚ they began to live in the villages. And only two thousand years ago‚ they stopped their hunting life. Human nature cannot make an important change in such a short period. There are still some hunting-and-gathering
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capture in the extreme conditions of a supernova. 5) Explain how the age of a globular cluster can be determined from its zero-age main sequence plot for an H-R diagram Globular clusters form a close by group of stars that are usually born at the same time. The largest/brightest stars move off the main sequence first. When you see a cluster with no large luminous main sequence stars you can conclude that the cluster is very old. The point on the main sequence where the star plot turns off onto the red
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Imagine that you are living in Greece during the time Greek gods and goddesses were living and breathing there. All with different powers and characteristics. In mythological times‚ some of the ruling gods and goddesses were Artemis‚ Apollo and Poseidon. The goddess of the hunt‚ Artemis‚ was the most independent goddess of mythological times. Artemis avoided men and she thought that she didn’t need someone to complete her. The symbols that represented her were the bow and arrow. Her family consisted
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The Greek Trireme warship played a very important role in the ancient Greek culture. It shaped the Athenian Empire and allowed the rise of Greek power and naval warfare. The ancient Greek ship called the trireme was the largest warship. The designers started working on it by attempting to build a boat that would do better on the seas for longer distances and in storms. The boats before the Trireme were not built very well and could not get very big or hold a lot of cargo. The Triremes were the
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location on Earth’s surface. Longitude – The angular east-west distance between the prime meridian (which passes through Greenwich) and a location on Earth’s surface. Speed – The rate at which an object moves. Its units are distance divided by time‚ such as m/s or km/hr. Velocity – The combination of speed and direction of motion; it can be stated as a speed in a particular direction‚ such as 100 km/hr due north. Force – Anything that can cause a change in momentum. Momentum – The product
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great man in his time as he could answer questions through the stars. He had a strong belief in science‚ mathematics‚ and astronomy as he believed they could answer any question you could possibly ask for. He told the people of Greece his findings on the stars and his theory. Some of his theories explained that the Earth is the center of the universe and he told of his lunar theory. He had numerous evidence to back up his theories so they seemed realistic. Ptolemy amazed the people of Greece of the
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form of government that the people vote on who leads them. This form of government started over three thousand years ago by ancient civilizations. We still use democracy here in America‚ but it has changed over time. Ancient Athens was the first civilization to use democracy. They had a direct democracy which means all citizens voted on laws. There was no leadership position but there was a council‚ Citizens Assembly and courts. The council was made up of five hundred people‚ chosen randomly‚ who proposed
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