Stock Photo - 07/29/1997 ___ The first stage of the Delta II rocket which will to be used to launch the Advanced Composition Explorer ACE spacecraft is erected at Launch Complex 17A at Cape Canaveral Air Station. Scheduled for launch on Aug. 25, ACE will study low_energy particles of solar origin and high_energy galactic particles. The ACE observatory will be placed into an orbit almost a million miles 1.5 million kilometers away from the Earth, about 1/100 the distance from the Earth to the Sun

Stock Photo: 07/29/1997 --- The first stage of the Delta II rocket which will to be used to launch the Advanced Composition Explorer ACE spacecraft is erected at Launch.

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