Current Issue

Sept. 22, 2010

Vol. 111, No. 1

Features

Princeton and the telescope

Sizes refer to diameter of lens or mirror

Published in the September 22, 2010, issue


Model of Stratoscope II, left; Stratoscope I and NASA balloon
Smithsonian NASM (left); U.S. Navy
Model of Stratoscope II, left; Stratoscope I and NASA balloon

1963 Stratoscope II, 36"

Professor Martin Schwarzschild’s ­telescope floats beneath giant NASA ­balloon; Perkin-Elmer quartz mirror can distinguish one toadstool from two at 1,000 miles.  Model is on display at the National Air and Space Museum in Washington, D.C.

 
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CURRENT ISSUE: Sept. 22, 2010
Web Bonus Links
Video: Picturing the universe
View a series of images from the Sloan Digital Sky Survey, captured by a telescope at Apache Point, N.M., designed by Princeton astronomy professor Jim Gunn.