Theme 4 : Chapter 11 - Stars and the Galaxy in Universe

STARS AND THE GALAXY IN UNIVERSE 

Structure Of The Sun :

 ▷ sun has 3 layers :
Ⅰ. Corona
Ⅱ. Chromosphere
Ⅲ. Photosphere 

» corona and chromosphere can only be         seen during the solar eclipse 

 » however, the layer that we can see clearly everyday from the earth is the photosphere











 THE SUN ECLIPSE

follow the video to understand more :

THE AURORA PHENOMENON

VARIOUS TYPES OF STARS

1. Neutron Star
2. White Dwaft
3. The Sun
4. Giant Star
5. Super Giant Star

TEMPERATURE AND COLOUR OF STARS

 

 LIFE CYCLE OF A STARS :

Constellation
≫ a group of stars arranged in specific pattern
≫ in the past, constellation were used to :
                                                                   a) a compass to show direction
                                                                   b) calender

examples of constellation :