Telescopes for Sale for Budding Astronomers
Tips for Finding the Right Astronomy Telescope for You
Children and adults everywhere find the night sky fascinating and love to make wishes on the stars they see. As children get older, they begin to learn about what is in the night sky and many develop an interest in astronomy.
Astronomy is a word from the Greek language. Astro, the first part of the word, comes from the Greek word for the star shape and also refers to outer space. The last part of the word, onomy, is Greek for “the study of”. So from the original Greek, astronomy means study of the star or outer space.
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They are necessary for proper presentation of the history of science on the starry sky. Usually, highlights the contribution of the thinker or the scientist in a new picture of the world, but it is not stated its commitment to certain aspects of the old pictures, and meanwhile the old and usually go hand in hand and very well co-exist in the worldview of the same researcher.
Let’s start with Aristarchus of Samos (320 … 250 BC), try without trigonometric functions to determine the distance from Earth to the Sun and the Moon and the diameter of the Sun. However, the greatest merit of Aristarchus is hypothesizing the heliocentric system of the world, part of the sharp contradiction with the ancient natural philosophy. Indeed, he argued that the Earth rotates on its axis and at the same time a circle around the sun, inclined to the equator, but as a tribute to the old, considered at the same time that the sun and the stars are fixed. But even before he Eudoxus (408 … 355 BC) tried to represent the motion of celestial bodies in the form of a system of rotating spheres. Undoubtedly, the pinnacle of astronomical ideas of antiquity was Ptolemy (83 … 162 years.) From Alexandria. He united to achieve the ancient Greek astronomers and mathematicians who created the immortal work of the “Great construction of mathematical astronomy in thirteen books, which the Arab mathematicians gave the name” Almagest “. From the standpoint of our days seem to be his painting is a step back from Aristarchus of Samos, as the center of the world in Ptolemy – Earth and planets and the sun revolves around it.
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