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Star Autobiography

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PRESENTATION OUTLINE

STAR AUTOBIOGRAPHY

BY: MORGAN BEYER
Photo by John Lemieux

I began my life in what looked like a multi colored lump of mashed potatoes called a nebula.

NEBULA

Photo by fractalSpawn

In my nebula, I began finding all of my dust friends and stuck to them, making a big cluster of dust.

Then we all squeezed together and become a protostar.

Next, after waiting and waiting I finally became a real star! I am now a high mass star.

I am in the main sequence of my life. This is where I will spend most of my life as a massive main sequence star.

Photo by zAmb0ni

As a high mass star I am very heavy and big. For food I eat hydrogen. Now I am 1,000 times bigger than I used to be.

Photo by inQuadrato

After a while, I ran out of hydrogen, so I had to eat helium. Helium is kind of like hamburgers in the star world. The more helium I ate, the fatter and bigger I got.

Photo by fdecomite

I expanded so much I transformed into a red supergiant!

Photo by sjrankin

Even though I am a supergiant I still need to eat and get energy. To get energy I keep eating more and more helium.

Soon, I ate so much helium that I exploded into a supernova. Little pieces of me blasted all around me! My explosion was so
big you could hear and see the supernova
from light years away.

A supernova explodes because they
eat to much helium, the core collapses and
explodes.

Since I was so massive as a main sequence star, my supernova explosion was so big that I transformed myself into a black hole. My gravity was so strong that even light could not
escape it. I spent the rest of my life as a black hole!