65 Years Ago: Pioneer 4 Reaches for the Moon https://www.nasa.gov/history/65-years-ago-pioneer-4-reaches-for-the-moon/ #NASA #NASAHistory
65 Years Ago: Pioneer 4 Reaches for the Moon - NASA
On March 3, 1959, the United States launched Pioneer 4 with the goal of photographing the Moon during a close flyby. As part of the International GeophysicalKelli Mars (NASA)