2015年3月18日 · Explorer 1 was the first satellite launched by the United States when it was sent into space on January 31, 1958. Following the launch of the Soviet Union’s Sputnik 1 on …

2023年7月25日 · Explorer-1 was the first United States earth satellite and was sent aloft as part of the United States program for the International Geophysical Year 1957-1958.

Explorer 1 was the first satellite launched by the United States in 1958 and was part of the U.S. participation in the International Geophysical Year (IGY). The mission followed the first two …

Explorer I was called “one of the landmarks in the technical and scientific history of the human race” by University of Iowa physicist James Van Allen, who designed the mission’s science …

2018年1月29日 · Explorer 1, launched 60 years ago today (Jan. 31, 1958) was the first U.S. satellite and the first ever to make a scientific discovery in space.

Explorer 1 launches successfully into space, marking the beginning of U.S. space exploration. After more than 58,000 Earth orbits, Explorer 1 re-entered Earth's atmosphere and was …

Explorer 1 was the first successful U.S. satellite. It was launched Jan. 31, 1958 at 10:48 p.m. (EST) from Cape Canaveral, Florida, after two days of launch delays due to high winds.

The Explorers Program[1] is a NASA exploration program that provides flight opportunities for physics, geophysics, heliophysics, and astrophysics investigations from space. Launched in …

Explorer 1 was the first satellite launched by the United States when it was sent into space on January 31, 1958. Following the launch of the Soviet Union's Sputnik 1 on October 4, 1957, …

2018年9月24日 · 60 years ago we launched humanity’s first science satellite, Explorer 1. Explorer 1 marked the United States’ first step into the dawn of the Space Age. Just three months prior …