Sagan Planet Walk | Wikipedia audio article
Channel: wikipedia tts
Date: 02/06/2019

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Sagan_Planet_Walk


00:01:34 1 Individual models
00:02:46 1.1 The Sun
00:03:24 1.2 The Inner Planets
00:04:23 1.3 The Asteroid Belt
00:04:57 1.4 Jupiter
00:05:27 1.5 Saturn
00:05:56 1.6 Uranus
00:06:16 1.7 Neptune and the Carl Sagan Bridge
00:06:50 1.8 Pluto and the Sciencenter
00:07:14 1.9 Alpha Centauri
00:07:51 2 Bill Nye
00:08:20 3 Table of Scaled Sizes and Distances
00:08:32 4 History and Timetable of expansions
00:09:26 5 Model gallery
00:09:39 6 Models inspired by the Sagan Planet Walk
00:10:39 7 See also



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Voice name: en-AU-Wavenet-B


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SUMMARY
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The Sciencenter's Sagan Planet Walk is a walkable scale model of the Solar System, located in Ithaca, New York. The model scales the entire Solar System—both planet size and distances between them—down to one five billionth of its actual size. Consisting of eleven obelisks situated along a 1.18 km (0.73 mi) path through the streets of downtown Ithaca, the Planet Walk leads from the Sun at Center Ithaca to Pluto at the Ithaca Sciencenter. 
The exhibition was originally created in 1997 in memory of Ithaca resident and Cornell Professor Carl Sagan. In 2012, the model was expanded 7,630 kilometers (4,740 mi) to include a representation of Alpha Centauri, the Sun's closest neighboring star, at the ‘Imiloa Astronomy Center at the University of Hawaii. The addition of the Alpha Centauri Obelisk made it the world's largest exhibition.In 2014, the inner planets and Sun were removed as part of extensive construction being done to the Ithaca Commons, but have since been replaced. In 2015, a grant was approved to further expand the exhibition by installing an exoplanet Kepler-37d station on the Moon 384,500 kilometers (238,900 mi) away.