About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 60. Chapters: Sputnik 1, Explorer 1, Skylab, Sputnik 2, Explorer 4, Corona, Orbiting Frog Otolith, List of solar X-ray astronomy satellites, Compton Gamma Ray Observatory, Zenit, Solrad 10, Samos, Small Astronomy Satellite 3, BeppoSAX, Yohkoh, SCORE, Badr-1, Solrad 6, Solrad 9, Solar Maximum Mission, Explorer 3, Badr-B, Uhuru, Rohini, San Marco 1, Explorer 32, Pegasus, Explorer 52, Kosmos 954, Explorer 6, Discoverer 17, Sputnik 3, Discoverer 34, Kosmos 2251, Discoverer 36, Discoverer 31, Discoverer 32, Kosmos 459, Ariel 6, Kosmos 482, Bion, Discoverer 18, Discoverer 25, Discoverer 35, Discoverer 20, Discoverer 30, Ariel 2, Explorer 17, Discoverer 29, Small Astronomy Satellite 2, Discoverer 23, sumi, Orbiting Geophysical Observatory, Discoverer 26, Explorer 9, Solar Mesosphere Explorer, Ariel 3, Kosmos 880, Discoverer 21, Aryabhata, Discoverer 19, Kosmos 959, Iridium 33, WRESAT, Ariel 1, Ariel 4, Extreme Ultraviolet Explorer, PAGEOS, Bhaskara, Explorer 14, Ariel 5, Ginga, Kosmos 1402, Kosmos 2175, Hakucho, Tenma, Discoverer 14, JERS-1, Tubsat-N. Excerpt: Sputnik 1 (Russian: Russian pronunciation: , "Satellite-1," -1 (PS-1, i.e. " -1," or Elementary Satellite-1)) was the first artificial satellite to be put into Earth's orbit. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957, and was the first in a series of satellites collectively known as the Sputnik program. The unanticipated announcement of Sputnik 1's success precipitated the Sputnik crisis in the United States and ignited the Space Race within the Cold War. The launch ushered in new political, military, technological, and scientific developments. While the Sputnik launch was a single event, it marked the start of the Space Age. Apart from its value as a technological first, Sputnik also helped to identify the upper a...
