The life of stars
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The life of stars. The life of stars. The Interstellar Medium. What is a light year? How many miles in a light year? Why is it called a light year? Just how fast is light?. Constellation of Orion. M42 – The Great Orion Nebula. Mass and weight. What is weight? What is mass?.

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The life of stars

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The life of stars

The life of stars

The life of stars


The life of stars

The Interstellar Medium


The life of stars

What is a light year?

How many miles in a light year?

Why is it called a light year?

Just how fast is light?


The life of stars

Constellation of

Orion

M42 – The Great Orion

Nebula


The life of stars

Mass and weight

What is weight?

What is mass?


The life of stars

The measure of a star’s temperature

What is Kelvin?


The life of stars

What is fusion?


The life of stars

Hydrogen atom

1 Proton

2 Protons &

2 Neutrons

Helium atom


The life of stars

  • All stars will swell dramatically as they run out of fuel for nuclear fusion.

  • This pulsation often sheds gases from the star.


The life of stars

The structure of a highly evolved star of 20 solar masses.

The letters H, He, C, O, Ne, Mg, Si, S, and Fe are the chemical symbols for hydrogen, helium, carbon, oxygen, neon, magnesium, silicon, sulfur, and iron.

(The star's core and shells are not drawn to scale.)


The life of stars

Planetary nebulae


The life of stars

  • TThe Crab Nebula was formed during the year 1054 supernova.

  • IIt has a pulsar in its core


The life of stars

Rotating Neutron star


The life of stars

Black hole – effect on space


The life of stars

Black holes with infalling matter

Jet


The life of stars

Websites for more information

http://www.milky-way.com/gb/sevol.htm

http://sunshine.chpc.utah.edu/labs/star_life/starlife_main.html

http://www.astro.keele.ac.uk/workx/starlife/StarpageS_26M.html

http://cassfos02.ucsd.edu/public/tutorial/StevI.html


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