energy density of the vacuum of space. This is Albert Einstein additional theory to his theory of general relativity to “hold back gravity” and achieve a static Universe. On the other hand‚ this was abandoned after discovering that all galaxies outside the Milky Way Galaxy are moving away from each other. The cosmological constant is also the simplest possible form of dark energy since it was found out that it is constant in both space and
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a mass 20 times more than the sun! There are many stellar black holes in Earth’s galaxy. Earth’s galaxy is called the Milky Way‚ but it’s not a candy bar! Stellar black holes aren’t the biggest‚ though! There are bigger black holes called “supermassive” black holes. These kinds of black holes have the mass of OVER A MILLION SUNS TOGETHER!!!WOW!That’s a lot of mass! Scientists have discovered proof that every galaxy has a supermassive black hole in the center! The supermassive black hole found in
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The galaxy‚ called W2246-0526 is the most luminous galaxy known‚ which means that if all galaxies were the same distance from Earth it would appear the brightest. This galaxy was formed over a billion years ago after the Big Bang. A recent discovery shows that this galaxy is releasing tremendous amounts of turbulent gas‚ which has never been seen before from a galaxy of this kind. The galaxy is tearing itself apart‚ because the momentum of the particles of light deposited in the gas are pushing gas
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bang theory a great explosion occurred over 13.5 billion years ago because of the mixture of dark matter and gases. The fusion occurred when the universe was a small as a period at the end of a sentence. This spark created the planets‚ stars‚ and galaxies we know and learn about now. We also know this because of random glows from all around the universe left from the big bang these glows are known as cosmic background information. The planets were first asteroid like blocks that collided with one
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Introduction to Astronomy This Lecture • What is Astronomy • The Discovery of our Place in the Universe - A brief history • The Scale of the Universe 2 What is Astronomy? • The scientific study of celestial objects – e.g. Planets‚ Stars‚ Galaxies‚ and the Universe as a whole. • It encompasses the study of everything outside the Earth’s atmosphere. • The name comes from the greek words astron ("star") and nomos ("law"). 3 Other “Astro” words • Astrology is the idea that positions
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quite large which indicates the amount of matter it has. As you know‚ Earth’s galaxy is called the Milky Way. Many “stellar” black holes are located in our galaxy. This is a certain kind of black hole which has the mass up to twenty times more than the sun. Our largest black holes are called “super massive.” These black holes are more than one million suns together. They’re located at the center of every large galaxy. These holes are called “Sagittarius‚” and have a mass of about four million suns
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Introduction Ask people to introduce themselves‚ and they will likely give their first and last names. Ask for more information‚ and they may refer back to their parents or grandparents. Additional inquiry may prod them to talk about a few of their ancestors. How many times can someone expect to hear people refer to their connection to early man or to the universe – the cosmic connections that enable people to co-exist with other humans and things – living and non-living? Is this apparent
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universe is “why don’t the galaxies fly apart when the stars circle around it?” Due to the fact that scientists were unable to explain this‚ they thought that a mysterious force must be holding the galaxies together. That mysterious force is called the Dark Matter. The third thing that fascinates scientists’ minds is how did the galaxies form? The first theory states that the galaxies collapse as single objects out of gas clouds. More and more gas falls in the galaxy because of the gravity and it
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last as long as five months; spanning from December to April. From what I said before the stars are endless. They stretch far beyond anything I could ever imagine. The universe is vast and contains hundreds of billions of stars and galaxies. In our Milky Way galaxy alone we have billions of stars and we are still learning
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Phoenix The Science of Stars Paper The stars are the majority and most widely acknowledged astronomical components that symbolize the most essential development of the galaxies. The disbursement‚ age‚ and the framework of the night sky in the galaxy maintain a record of the heritage‚ evolution and characteristics of our galaxy. More important the stars are integral to the fabrication and allocation of heavy elements. Notably corresponding to oxygen‚ carbon‚ and nitrogen‚ is intimately associated
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