*  
        *  AP – FILE - This May 31, 2007 file photo shows the world's largest 
radio telescope -- the Arecibo Observatory … 
By MARY ESCH, Associated Press Writer Mary Esch, Associated Press Writer – 
Thu Feb 18, 5:53 pm ET
ALBANY, N.Y. – Astronomer and engineer Bill Gordon, who designed the photogenic 
radio telescope in Puerto Rico that spotted the first planets beyond our solar 
system and lakes on one of Saturn's moons, has died in New York state. He was 
92.
Gordon died Tuesday of natural causes, according to officials at Cornell 
University in Ithaca, the Ivy League college where he served on the engineering 
faculty from 1953-66.
He designed the Arecibo Observatory's radio telescope in the 1950s; it's a 
1,000-foot-wide dish set in a sinkhole surrounded by forested hills.
Within a year of opening, it was used to determine the planet Mercury's period 
of rotation. After radio pulsars — rotating neutron stars — were discovered in 
1967, the observatory played a prominent role in studying their properties.
The astronomers Joseph Taylor and Russell Hulse discovered the first binary 
pulsar at Arecibo in 1974, leading to a 1993 Nobel Prize in physics.
In 1990, Polish astronomer Aleksander Wolszczan used the telescope in the 
discovery of a pulsar in the constellation Virgo that was shown to be orbited 
by the first known planets beyond Earth's solar system.
The telescope, owned by the National Science Foundation and operated by 
Cornell, had a prominent role in the 1997 Jodie Foster film "Contact," based on 
a Carl Sagan book about the search for extraterrestrial life — a hunt that 
still continues at the observatory. In the 1995 James Bond movie "GoldenEye," 
the telescope's platform figured in the climactic fight scene.
"When we were talking about building (the telescope) back in the late '50s, we 
were told by eminent authorities it couldn't be done," Gordon said at Arecibo's 
40th Anniversary in 2003. "We were in the position of trying to do something 
that was impossible, and it took a lot of guts and we were young enough that we 
didn't know we couldn't do it."
These days, the telescope's work includes searching for asteroids and comets 
headed for Earth. It also discovered lakes of hydrocarbons on Saturn's moon 
Titan.
Gordon was born in Paterson, N.J., and earned a bachelor's degree from 
Montclair State Teacher's College, a master's degree from New York University 
and his doctorate at Cornell. He was a professor and administrator at Rice 
University in Texas from 1966 until his retirement in 1985
 
73' Wilfredo "Junior" Aviles / KP4ARN 

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