1 |
Neutron stars emit higher energy reaiation such as. |
Alpha rays
X -rays
beta rays
Gama rays
|
2 |
The approximate distance of the Sun from the centre of the milky way Galaxy is. |
24000 light years
22000 light years
21000 light years
25000 light years
|
3 |
The age of milky way Galaxy is about. |
13.6 billion years
13.4 billion years
13.5 billion years
13.7 bilion years
|
4 |
Our Sun is ............ kilometres away from the Earth. |
10 millions
12 millions
15 millions
20 millions
|
5 |
The nearest star after the Sun is. |
Rigel
Sirius
Aldebaran
Proxima Centaure
|
6 |
Bright stars may appear dim stars because they are. |
Old star
New star
Far away from Earth
Close to the Earth
|
7 |
The last stage in the life of massive star is |
Red Gaint
White dwarf
Super Giant
Black hole
|
8 |
Surface temperature of the Sun is |
3000 oC
6000 oC
15000 oC
1,500,000 oC
|
9 |
One Solar system is a part of. |
Andromeda Galaxy
Jelly Fish Galaxy
Milky way galaxy
Irregular Shaped Galaxy
|
10 |
The colour of hottest star is |
Red
Yellow
Blue
White
|