The World 's Greatest Telescopes
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The World's Greatest Telescopes
English | PDF | 100 pages | 86.1 mb
CONTENTS
4 How the telescope remade the universe
Within halfa century of its invention in 1608, the telescope had transformed our view of the cosmos and Earth's place in it. By Raymond Shubinski
10 The telescope's 400-year revolution
Early telescopes were about 1 inch wide; today's span some 33 feet. Here's how this crucial tool moved forward. By Liz Kruesi
16 The biggest eyes on the sky Nearly 50 giant telescopes probe the cosmos from Earth's surface. By Richard Talcott; graphics by Roen Kelly
18 Connecting Earth and Sky: Hawaii's Mauna Kea
The summit of a 14,000-foot dormant volcano on Hawaii's Big Island features several of the world's biggest telescopes. By Peter Micheud
30 Great observatories of the United States
Large telescopes make great destinations for astronomy enthusiasts. By Douglas lsbell
44 High and dry: Astronomy in Chile
Most of the Southern Hemisphere's premier astronomical sites lie in the Atacama, Earth's driest desert. By Jose Maza
54 Europe's eyes on the northern sky: the Canary Islands
The world's largest optical telescope joins many other superb astronomic instruments on an island off of Africa's northwestern coast. By Chris Benn, Javier MCndez, and Marc Balcells
64 The best of the rest: Earth's other giant telescopes
Some of the largest scopes in the world scan the skies above Australia, South Africa, Russia, and other stellar sites. By Richard Talcott
70 Astronomy in a vacuum
Unhindered by Earth's distorting atmosphere, space telescopes bring us our clearest view of the cosmos yet. By Ray Villard
82 Viewing the sky at radio frequencies
Arrays of antennas and dishes up to 1,000 feet across make radio telescopes the biggest observatories on Earth. By Tania Burchell
88 How technology is transforming astronomy
New innovation boosts telescope performance today and promises to revolutionize cosmic research in the years to come. By Neville Woolf
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