Xem 1-9 trên 9 kết quả Space telescope
  • Inquiring on the sky (i.e., the Universe) has been present as affair of concern of the human kind since the early days of the first hominids like homo floresiensis and late homo sapiens. Fascination of sky watchers on a starry night, with its planets and the Moon, still today invites the best human minds to struggle for unveiling its secrets. To extending farther out the reach of our eyes, the telescope was introduced to astronomy in 1609 by Galileo Galilei.

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  • Black hole, constellation, galaxy, light year, nebula, supernova,... Are the words in the book "Telescopes" Invite you to consult the text book to grasp the pronunciation and set sentences with the words above.

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  • Many businesses do not change when they need to, nor do they change when they have to. If they did, many fewer would fail. But, like people, they only change when they want to. If a change in the way an organisation achieves successful project outcomes is to be considered, it should be seen as a culture change, involving adjustments in mindset, values and behaviour; it may involve abandoning norms and sacred cows.

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  • When the American colonies declared their independence in 1776, it took 48 days for the news to cross the Atlantic. The arrival of the telegraph in 1843 and the telephone in 1876 meant that news could get to anywhere in the world almost instantly. The beginning of radio communication in 1896 meant tha sounds could travel vast distances without the need for cables. When television arrived in 1936, moving pictures and sounds had the capability to be seen by millions at the same time anywhere in the world....

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  • Astronomy is the most ancient science humans have practiced on Earth. It is a science of extremes and of large numbers: extremes of time – from the big bang to infinity –, of distances, of temperatures, of density and masses, of magnetic field, etc.

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  • In our quest to elucidate the origin of the universe and the formation of galaxies, particularly that of the Milky Way in which we live, astounding progress has been made in recent years through observational and theoretical studies. Not only have gigantic surveys covering a large fraction of the sky brought statistics enlightening evolutionary paths of galaxies, but powerful instruments, such as radio interferometers and ground- and space-based optical/ infrared telescopes, have been able to map individual objects with high sensitivity and spatial resolution.

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  • In this book we provide a comprehensive introduction into the basic physics of phenomena in the solar corona. Solar physics has evolved over three distinctly different phases using progressively more sophisticated observing tools. The first phase of naked-eye observations that dates back over several thousands of years has been mainly concerned with observations and reports of solar eclipses and the role of the Sun in celestial mechanics.

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  • Since the time of Newton the basic structure of the solar system and the laws that govern the motions of the bodies within it have been well understood. One central body, the Sun, containing most of the mass of the system has a family of attendant planets in more-or-less circular orbits about it. In their turn some of the planets have accompanying satellites, including the Earth with its single satellite, the Moon. With improvements in telescope technology, and more recently through space research, knowledge of the solar system has grown apace.

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  • How galaxies � and yet larger structures � are formed remains one of the most interesting, topical and important questions facing astrophysicists and cosmologists today. This fully updated and revised edition of The Road to Galaxy Formation draws on the most recent observation of galaxies in the early universe obtained by the very latest ground- and space-based telescopes.

    pdf277p tom_123 14-11-2012 16 2   Download

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