astronomy intro grade 9 science stars, like humans, go through different “life” stages. this...
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Astronomy IntroGrade 9 Science
Stars, like humans, go through different “life” stages. This change in structure of a star is due to
. Gravity is a force constantly at work. Not only does it
.
Day 9: Evolution of Stars
Astronomy IntroGrade 9 Science
Birth of a Star • Nebulae– Are
. – The “ ” of stars.– Inside the nebulae, gravity pulls materials in the star
together.– The accumulating material causes
.– When it reaches 10 million 0C,
.
Astronomy IntroGrade 9 Science
Middle Age• Main Sequence Stars– Stars in this stage have between
pressure & temperature inside the star and the force of gravity pulling towards its centre.
– The time a star stays in this stable state depends on .
– Our .
Astronomy IntroGrade 9 Science Death of a Star
As the in a star runs out the star has a variety of fates depending on the of the star.
Astronomy IntroGrade 9 Science
Work: i) WS: Stages in Star Formation
(Fill in Blank)
ii) Read Pg# 263 - 271 and Answer Q# 2, 3, 8, 9
iii) WS Formation of Stars