Contents

Our Universe                                          

Introduction:

The universe is everything. It includes all of space, and all the matter and energy that space contains. It even includes time itself and, of course, it includes you. Earth and the Moon are part of the universe, as are the other planets and their many dozens of moons.


Which of the following is/are present in our universe?
a) whole space                    

b) stars and planets
c) matter and energy          

d) all of these


Stars are huge ball of gases that emit ……..
a) light                                   

b) other radiation
c) water                                 

d) both a and b


Sun is a…….
a) planet                                               

b) galaxy
c) star                                   

d) asteroid


Which of the following is/are closest star to our earth planet?
a) Alpha Centauri                               

b) sun
c) Y15                                   

d) all of these


A galaxy is an extremely large collection of….
a) planets                                             

b) moons
c) stars                                  

d) asteroids