Smarter in sixty minutes.Get smarter in just 60 minutes with in60Learning. Concise and elegantly written non-fiction books and audiobooks help you learn the core subject matter in 20% of the time that it takes to read a typical book. Life is short, so explore a multitude of fascinating historical, biographical, scientific, political, and financial topics in only an hour each.Sputnik I was the first artificial satellite, launched by the Soviet Union on 4 October 1957 into an elliptical low-earth orbit. Sputnik I was a polished metal sphere of 23 inches in diameter, with four external radio antennas to broadcast radio pulses. Launched at the 5th Tyuratam range from what is now known as the Baikonur Cosmodrome in Kazakhstan, the satellite completed each orbit in 96.2 minutes at a speed of abo...
Genre: History, Europe, Russia
Size: 39 pages
Free eBook download for Kindle from 05 August 2020 onward PDT/PST