Another milestone for Isro with 100th satellite: 10 things you should know

16 nanosatellites made by the US placed into the sun-synchronous orbit of the Earth

India on Friday launched a polar rocket with 31 satellites, including three Indian and 28 of six other nations from its spaceport in Sriharikota. The 44.4-metre tall Polar Satellite Launch Vehicle (PSLV-C40) roared into a clear sky after a perfect lift-off at 9.29 a.m. after a 28-hour countdown. The 320-tonne rocket will eject the satellites one-by-one and deploy them into the earth's lower orbit about 17 minutes and 18 seconds after the lift-off.

Isro Chairman designate K Sivan says PSLVC40 is special for Isro since it is coming after a failure 4.5 months back. PSLVC40 Performance was excellent and