History changed on October 4, 1957, when the Soviet Union successfully launched Sputnik I. The world’s first artificial satellite was about the size of a basketball, weighed only 183 pounds…
By: Ashok Kumar!
- Created By
- School
- Address
- Class
- V.MURALI
- Thiruvika Hr.Sec.
- Shenoy Nagar Chennai-30
- aravind_de_scorpiano@yahoo.co.in
- 9th C