Sputnikhd

: Four external whip antennas (2.4 to 2.9 meters long).

Sputnik 1 was the world's first artificial satellite, launched by the Soviet Union on . It was a 58-centimeter polished aluminum sphere that orbited Earth every 96 minutes, transmitting a distinctive "beep-beep" radio signal. 🛰️ Technical Specifications Mass : 83.6 kilograms (184 pounds). Dimensions : 58 cm (22.8 inches) in diameter. SputnikHD

: Elliptical path with a low point of 228 km and a high point of 947 km. 🌎 Historical Impact : Four external whip antennas (2

The launch was a "technological Pearl Harbor" for the United States, sparking immediate changes in policy and culture. Sputnik, 1957 - History State Gov SputnikHD

: Three silver-zinc batteries designed to last two weeks.