After a number of failures, Explorer-I was the first artificial satellite orbited
successfully by the USA. It was launched on February 1, 1958.
The second satellite to be sent into Earth orbit was "Sputnik 2".
Explorer 1 was in orbit for 111 days after launch on January 2 1958. I make that to be May 4, 1958.
Explorer 1 was the first American satellite launched into orbit.
To orbit the planet Venus
Explorer 1, the first successful satellite launched by the United States, entered Earth's orbit on January 31, 1958. It was launched as part of the Explorer program in response to the successful launch of the Soviet satellite Sputnik 1.
yes explorer 1 was the artificial satellite and after it was launched the United States became the second country to send a satellite in orbit
Explorer 1 (1958 Alpha 1) was the first Earth satellite of the US.
Explorer 1 was built in 1957 and launched on January 31, 1958. It was the first satellite sent into orbit by the United States, developed by the Jet Propulsion Laboratory (JPL) in response to the Soviet Union's Sputnik program. The satellite played a crucial role in the discovery of the Van Allen radiation belts.
The Chang'e 1 was sent to orbit around the Moon. It was launched in October of 2007.
The first satellite put into orbit by the U.S. was called Explorer 1.
The first module, Zarya, was sent into orbit on the 20th November 1998
China sent an explorer to visit Mogadishu.