1978 15c Viking Missions to Mars
# 1759 - 1978 15c Viking Missions to Mars
$0.35 - $34.50
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Classic First Day Cover
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First Day Cover Proofcard
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Mint Plate Block
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Free with 210 Points
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Fleetwood First Day Cover
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U.S. #1759
15¢ Viking Missions
15¢ Viking Missions
Issue Date: July 20, 1978
City: Hampton, VA
Quantity: 158,880,000
Printed By: Bureau of Engraving and Printing
Printing Method: Lithographed, engraved
Perforations: 11
Color: Multicolored
City: Hampton, VA
Quantity: 158,880,000
Printed By: Bureau of Engraving and Printing
Printing Method: Lithographed, engraved
Perforations: 11
Color: Multicolored
U.S. #1759 honors the second anniversary of the successful landing of Viking 1 on Mars.
Viking I Lands On Mars
On July 20, 1976, Viking I became the first man-made object to land on Mars.
As early as 1966, officials recommended that research objectives in the post-Apollo era focus on the unmanned exploration of Mars. The Viking 1 mission - planned to coincide with the nation’s July 4, 1976, Bicentennial celebration - set off to accomplish that goal on August 20, 1975.
Viking 1 and its sister ship, Viking 2, were the first spacecraft to conduct prolonged scientific studies on the surface of another planet.
Viking 1 entered Mars’ orbit in June 1976 and began searching for a safe landing site. Problems locating a site postponed the landing until July 20, 1976. Upon landing, Viking 1 transmitted detailed images of Mars' surface and conducted various scientific studies, including atmospheric analysis, soil testing, and seismic monitoring.
The mission provided humanity's most comprehensive understanding of Mars to that point.
For years, the Viking probes gathered valuable data, greatly advancing our understanding of Mars. Viking 1 held the record for the longest Mars surface mission at 2,037 days until it was surpassed by Opportunity in 2010. Though Viking 1 remains on Mars, its ownership has been transferred to the Smithsonian Institution’s National Air and Space Museum.
U.S. #1759
15¢ Viking Missions
15¢ Viking Missions
Issue Date: July 20, 1978
City: Hampton, VA
Quantity: 158,880,000
Printed By: Bureau of Engraving and Printing
Printing Method: Lithographed, engraved
Perforations: 11
Color: Multicolored
City: Hampton, VA
Quantity: 158,880,000
Printed By: Bureau of Engraving and Printing
Printing Method: Lithographed, engraved
Perforations: 11
Color: Multicolored
U.S. #1759 honors the second anniversary of the successful landing of Viking 1 on Mars.
Viking I Lands On Mars
On July 20, 1976, Viking I became the first man-made object to land on Mars.
As early as 1966, officials recommended that research objectives in the post-Apollo era focus on the unmanned exploration of Mars. The Viking 1 mission - planned to coincide with the nation’s July 4, 1976, Bicentennial celebration - set off to accomplish that goal on August 20, 1975.
Viking 1 and its sister ship, Viking 2, were the first spacecraft to conduct prolonged scientific studies on the surface of another planet.
Viking 1 entered Mars’ orbit in June 1976 and began searching for a safe landing site. Problems locating a site postponed the landing until July 20, 1976. Upon landing, Viking 1 transmitted detailed images of Mars' surface and conducted various scientific studies, including atmospheric analysis, soil testing, and seismic monitoring.
The mission provided humanity's most comprehensive understanding of Mars to that point.
For years, the Viking probes gathered valuable data, greatly advancing our understanding of Mars. Viking 1 held the record for the longest Mars surface mission at 2,037 days until it was surpassed by Opportunity in 2010. Though Viking 1 remains on Mars, its ownership has been transferred to the Smithsonian Institution’s National Air and Space Museum.