The US launched Explorer 1 in 1958
Explorer 1 was in orbit for 111 days after launch on January 2 1958. I make that to be May 4, 1958.
it launched in the year of 1958.
EXPLORER 1, launched in February 1958, a desperate response to the 1957 Russian launch of Sputnik 1.
Explorer 1 was launched to become the first satellite of the United States. It was part of the US effort to explore space and was a response to the successful launch of the Soviet satellite Sputnik. Additionally, Explorer 1 carried scientific instruments to study cosmic rays and radiation in space.
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NASA launched its first satellite, Explorer 1, on January 31, 1958.
The first artificial satellite launched by the US was Explorer 1. It was launched on January 31, 1958, and its successful launch marked the beginning of the US space program. Explorer 1 discovered the Van Allen radiation belts during its mission.
IE 10 was initially released on August 1, 2012.
America's first satellite launched into outer space was called the Explorer 1, and was launched in 1958.
The USSR launched Sputnik on October 4th, 1957 and Explorer 1 was launched on January 31st, 1958--so the answer is 119 days.
A new chapter in US space flight began in July 1950 with the launch of the first rocket, Bumper 2, from Cape Canaveral, Florida.The National Aeronautics and Space Administration (NASA) was created on October 1, 1958.Other notable first flights include the following:Jan 1958 - US launched its first Earth satellite, Explorer 1Dec 1958 - US launched the first communications satellite SCORE into space.April 1960 - US launched the first weather satellite, TIROS-1
EXPLORER 1!!!!!!!!!!!!!!!!!!!!!!!!!