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Explorer 42

Also called Uhuru or SAS 1


Designation 04797 / 70107A
Launch date 12 Dec 1970
Country of origin United States
Mission Scientific: X-ray astronomy
Perigee/Apogee 521/570 km
Period 95.5 min
Launch vehicle Scout #71

Discovered 200 X sources and the first black hole

End of life

Decay 5 Apr 1979

External resources


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