Galaxies are usually classified on the basis of there: Shape
Laser can be used in the field of: Telecommunications
LASER is the potential energy source used to inducing: Fusion reactions
The comet, named after Edmund Halley, reappears after a time of every: 76 years
How many Satellites (Moons) of Saturn Planet: 82
Which planet contains largest quantity of carbon dioxide with 95%? Venus
The Speed of Light in a Vacuum is: 186,282 Miles per Second
While going towards the center of the earth, the weight of a body shall: Decrease
Radiations which is not emitted during radioactivity is: Cathode rays