<p>America’s second satellite, Vanguard 1, was launched into space on March 17, 1958. And though it only blasted off some six months after the Soviet’s Sputnik satellite, Vanguard 1 still remains in orbit — more than 60 years later. This makes it Earth’s longest-orbiting artificial satellite, as well as the oldest human-made object still in<a class="more-link" href="https://www.astronomy.com/today-in-the-history-of-astronomy/march-17-1958-vanguard-1-blasts-off/">Continue reading <span class="screen-reader-text">"March 17, 1958: Vanguard 1 blasts off"</span></a></p>
<p>The post <a href="https://www.astronomy.com/today-in-the-history-of-astronomy/march-17-1958-vanguard-1-blasts-off/">March 17, 1958: Vanguard 1 blasts off</a> appeared first on <a href="https://www.astronomy.com">Astronomy Magazine</a>.</p>
America’s second satellite, Vanguard 1, was launched into space on March 17, 1958. And though it only blasted off some six months after the Soviet’s Sputnik satellite, Vanguard 1 still remains in orbit — more than 60 years later. This makes it Earth’s longest-orbiting artificial satellite, as well as the oldest human-made object still inContinue reading “March 17, 1958: Vanguard 1 blasts off”
The post March 17, 1958: Vanguard 1 blasts off appeared first on Astronomy Magazine.