9. Short Answer Questions II

1. What is constellation?

A constellation is a recognizable pattern of galaxiesrecognizable pattern of stars recognizable pattern of satellites in the night sky when viewed from the Earth. International Astronomical Union has classified 8888888888 constellations to cover the entire celestial sphere. Many of the new constellationsold constellations have Greek or Latin names and are often named after mythological characters.

  

2. Give the expansions of PSLV and GSLV

 

PSLV - Pole Satellite Launch VehiclePolar Satellite Launch VehiclePower Satellite Launch Vehicle

 

GSLV - Government Satellite Launch VehicleGalaxy Satellite Launch VehicleGeosynchronous Satellite Launch Vehicle