The Universe and Our Galaxies The Universe and Our Galaxies Examples of Elliptical (Messier 87 ) and Spiral Galaxies (NGC 3559) Examples of Elliptical (Messier 87 ) and Spiral Galaxies (NGC 3559) Edwin Hubble was one of the first people to actually realise what a galaxy is‚ the measurement of the “Hubble Tuning Fork” Classification scheme shows how round or rightly wound their “arms” are. E0 means that an elliptical galaxy is extremely round‚ whilst E7 is flat. However not all galaxies
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specialists shaking their heads‚ a small asteroid completely unrelated to 2012 DA14 struck Earth only hours before the publicized event. The impactor flew unexpectedly‚ literally from the direction of the sun where no telescope could see it‚ and took everyone by surprise as the meteor speckled across the sky above Russia’s Ural Mountains. The large fireball was observed on the morning of Feb. 15‚ 2013‚ in the skies near Chelyabinsk‚ Russia. A relatively small asteroid caused the fireball that entered the
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that a comet or asteroid hit earth 66 million years ago which caused gasses and dust to pollute the air. It also affected the plates of the earth and caused tsunamis‚ earthquakes and most
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Moon. 4. How are comets different from asteroids? One of the main differences between comets and asteroids are what they are made of. Asteroids are made up of metals and rocky materials while comets are made up of ice‚ dust and rocky material. Asteroids formed near the sun while comets farther away. Comets have tails while asteroids don’t. Also another difference is their orbit patterns. 5. Of what are comets made? Ice‚ dust and rocky material. And asteroids? Metals and rocky materials 6. If you
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many families of land (terrestrial) plants and animals‚ including most of the dinosaurs. Finding out how this extinction occurred included theories about a combination of natural disasters‚ the already decreasing population of the dinosaurs and an asteroid impact that either magnified the already reduced population of dinosaurs to extinction‚ or single-handedly did the damage. An evaluation of theories and hypotheses is essential in order to really understand what caused the dinosaurs’ demise‚ through
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narrator pilot finds his little friend has come from an asteroid. The little prince took great care of his asteroid‚ preventing unwanted things from destroying his home. One day‚ a rose appears on his asteroid‚ and as he cares for it most deeply‚ thinking she is the most wonderful‚ special creature ever - he is depressed to assume that she does not love him back. The little prince then leaves his asteroid and rose. As he lands on many asteroids‚ each one is occupied by a different adult. First
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1. Name the asteroid‚ big enough to wipe out whole human civilization that passed relatively close to Earth on 31 May 2013. a) Asteroid 1998 QE2 b) Asteroid 2013 QE2 c) Asteroid 1998 EQ2 d) Asteroid 2013 EQ2 Answer: (a) Asteroid 1998 QE2 2. Which Islands in India were declared as the world biosphere reserve by the United Nations Educational‚ Scientific and Cultural Organisation (UNESCO) in the Month of May 2013? a) Lakshadweep Islands b) Andaman Islands c) Daman and Diu d) Nicobar Islands
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troChapter 1: Charting the Heavens (Astronomy Today) SUMMARY The universe is the totality of all space‚ time‚ matter‚ and energy. Astronomy is the study of the universe. A widely used unit of distance in astronomy is the light year‚ the distance traveled by a beam of light in one year. Early observers grouped the thousands of stars visible to the naked eye into patterns called constellations. These patterns have no physical significance‚ although they are a very useful means of labeling regions
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Topic: Why Did Dinosaurs Go Extinct? A Gradual and Sudden End to Their Reign Introduction: About 65 mya almost three quarters of the animal and plant species on earth went extinct. This mass extinction is known as the Cretaceous-Paleogene (K-Pg) extinction event. The Cretaceous was the last period of the Mesozoic Era which is when dinosaurs lived from about 250 to 65 mya and the Paleogene is the first period of the Cenozoic Era that started about 65 mya which is the Era that we are currently living
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Two months left to live‚ two months left to do everything you’ve ever wa nted to do. In the book We All Looked Up by Tommy Wallach‚ an asteroid‚ dubbed Ardor‚ is plummeting towards earth. This asteroid is predicted to make it’s impact‚ on earth‚ approximately two months after Earth’s scientists discover it. The characters go through several obstacles pondering what to do with the two months they have left‚ being challenged by the new world that has an uncertain future‚ and struggling with . The theme
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