What was sputnik and how did americans feel about it?

Sputnik was the first artificial satellite launched by the Soviet Union on October 4, 1957. Its successful orbit around the Earth marked a significant achievement in the Space Race, prompting feelings of shock and concern among Americans, who feared that the U.S. was falling behind in technological and military capabilities. This event spurred increased investments in science and education, leading to initiatives like the National Defense Education Act and the establishment of NASA. Overall, Sputnik ignited a sense of urgency in the American public and government to advance their own space exploration efforts.