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New Worlds, New Horizons in Astronomy and Astrophysics |
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Категория: Естественные науки » Физико-математические науки » Астрономия, космос |
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Автор: коллектив
Издательство: N.tional Ac.demies Press
Год издания: 2011
isbn: 0309158028
Количество страниц: 324
Язык: english
Формат: PDF
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Driven by discoveries, and enabled by leaps in technology and imagination, our understanding of the universe has changed dramatically over the course of the last few decades. The fields of astronomy and astrophysics are making new connections to physics, chemistry, biology, and computer science. Based on a broad and comprehensive survey of scientific opportunities, infrastructure, and organization in a national and international context, New Worlds, New Horizons in Astronomy and Astrophysics outlines a plan for ground- and space- based astronomy and astrophysics for the decade of the 2010's.
Realizing these scientific opportunities is contingent upon maintaining and strengthening the foundations of the research enterprise including technological development, theory, computation and data handling, laboratory experiments, and human resources. New Worlds, New Horizons in Astronomy and Astrophysics proposes enhancing innovative but moderate-cost programs in space and on the ground that will enable the community to respond rapidly and flexibly to new scientific discoveries. The book recommends beginning construction on survey telescopes in space and on the ground to investigate the nature of dark energy, as well as the next generation of large ground-based giant optical telescopes and a new class of space-based gravitational observatory to observe the merging of distant black holes and precisely test theories of gravity. |
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Stars Above, Earth Below A Guide to Astronomy in the National Parks |
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Категория: Естественные науки » Физико-математические науки » Астрономия, космос |
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Автор: Scott D. Taylor
Издательство: 1st Edition.
Год издания: 2010
isbn: 1441916482
Количество страниц: 538
Язык: english
Формат: PDF
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Stars Above, Earth Below uses photographs and sky charts to form a connection between what is seen on the ground and in the sky, and looks at the deeper scientific meaning behind these sights. Nordgren describes other objects in the Solar System with features similar to those on Earth and links the geological features seen in the national parks to the very latest NASA spacecraft discoveries on other planets and their moons. Additionally, historical context is discussed to show why we humans (who have lived in and around our national parts for tens of thousands of years) have always been astronomers.
The first book to make direct connections between astronomy and the landscapes, processes and cultures one experiences in the US National Parks
Each chapter ties a specific astronomical phenomenon to a particular National Park or type of park and concludes with a “See for yourself” section that shows you how to see the planets, stars, nebulae, moons, etc. that are described within that chapter
A personal guide showing the reader the astronomical phenomena that you can see for yourself when visiting the U.S. National Parks
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Amateur Radio Astronomy |
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Категория: Естественные науки » Физико-математические науки » Астрономия, космос |
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Автор: John Fielding
Издательство: adio Society of Great Britain
Год издания: 2006
isbn: 1905086164
Количество страниц: 320
Язык: english
Формат: PDF
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Explore the contributions of radio amateurs to the science of radio astronomy and how the average amateur can make and set up equipment to study the signals coming from space. Contents include:
* Receiving radio signals from outer space
* A historical perspective of radio astronomy needed to become active
* Paramaters required for the antenna and receiver through practical low noise amplifiers
* Advice on assembling a receiving station and practical information to put together your own
* A practical design for a "hydrogen line receiver" aimed at at 1420 MHz
The author has achieved a great balance between historical narrative and technical information. Amateur Radio Astronomy is not only "a great read" but a practical technical reference for this fascinating topic.
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