consists of many free protons. H-II regions are areas where many large blue stars are formed. These blue stars would form inside a large cloud of hydrogen gas‚ giving off great amounts of ultraviolet light. This ultraviolet light then ionises the surrounding gas. The reason why they give off such enormous amounts of ultraviolet is because of their short life span. H-II regions can be several hundred
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The Red Supergiant is a huge star and also is bright red.But that is not all to the red supergiant.The red supergiant star is red because of the temperature of the star.The hotter the star it is blue but when it is medium temperature it takes a red color.The shells on the red supergiant can expand when going through fusion. The red supergiant has already consumed all of its supply of hydrogen.After that helium starts to form in the core.The outer shells go through nuclear fusion making them expand
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* Compare the views of Hubble and Friedman about the expansion of the universe: Edwin Hubble’s observation In 1929‚ Edwin Hubble announced that his observations of galaxies outside our own Milky Way showed that they were systematically moving away from us with a speed that was proportional to their distance from us. The more distant the galaxy‚ the faster it was receding from us. The universe was expanding after all‚ just as General Relativity originally predicted! Hubble observed that the light
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ASTROPHYSICS Galaxy = collection of large number of stars‚ mutually attracting each other through the gravitational force and staying together No. Of stars varies between a few million and hundreds of billions. There are approximately 100bn galaxies in the universe 3 types of galaxies: 1. Spiral (Milky Way) 2. Elliptical (M49) 3. Irregular (Magellanic Clouds) – Anything that is not elliptical or spiral = irregular. No specific structure‚ Large and small Magellanic clouds are
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small‚ and circular dots which I later learned were a popular binary star named Algeria. At first‚ I could barely see the stars but after focusing my eye in the telescope I noticed that one star was a light blue shade and the other star was a vibrant yellow color. Additionally‚ the yellow star was significantly brighter‚ more visible‚ and larger than the tiny‚ dull blue star. When I typically look up in the sky‚ I notice how most stars have a similar shape and size with the same white color and vibrancy
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Sciences ABSTRACT The Milky way is a band of light that has millions of stars that are combined together and that spans 100‚000 light years away. They say the Milky Way is about 14 billion years old. How they figured this out by measuring the ages of each star. They have found trace elements of hydrogen and helium so we know that the Milky Way was formed an early in the history. Another good way to find the age of the stars in the Milky Way is measuring thorium because it has a half-life of 14 billions
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Intro : “There are no international unified standards for awarding stars to hotels‚” said Sergei Korneyev‚ director for the northwest at the Russian Tourism Industry Union. * Each country has its own system‚ and it is very inconvenient for tourists‚ since‚ for example‚ Egyptian stars differ from European ones. There have been many misunderstandings. WHAT IS : An hotel ranking is a system‚ taking into account a full range of factors including quality of accommodation‚ range of amenities‚ standards
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The center compresses enough to become a protostar and the rest of the gas orbits/flows around it. Most of that gas flows inward and adds to the mass of the forming star‚ but the gas is rotating. The centrifugal force from that prevents some of the gas from reaching the forming star. Instead‚ it forms an "accretion disk" around the star. The disk
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of my photographed stars using comparisons with reference stars for which I have collected known magnitudes from official sources. Explanation of used Astronomical terms Constellation – A group of stars seen from Earth as forming some sort of recognisable pattern in the sky. These are usually given names due to their resemblance to mythological creatures. Asterism – a prominent pattern of stars in the sky; usually part of a bigger constellation. Reference star – a star with a known magnitude
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are called nebulae. These cosmic clouds are the fundamental building blocks of our universe. They contain the elements that are needed for stars to be formed. Known as the flowers of the universe they are some of the most beautiful sights there is with their swirling rich colors and bright lights. The reason for these bright rich colors is because of the stars inside of the nebula‚ the colors are apparent because of the different elements that make up the nebula. Most common nebula are composed of
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