Page 206 - Cascade I SHPS School Magazine 2024

star. During this process, the nuclear fusion converts energy that keeps the core from collapsing. By the
helium into carbon. Some giants become unstable time silicon fuses into iron, the star runs out of fuel
and expand and contract with strong regular move- in a very short time. The star’s iron core collapses as
ments, periodically inflating and ejecting some of helium is converted into heavier elements, eventually
their atmospheres. Eventually all the outer layers forming iron. This collapse continues until the forces
of the star blow away creating a cloud of dust and between the nuclei reach a point where they push
mass called planetary nebula. The core, now known back, causing the core to rebound. This change creates
as a white dwarf, is the only thing left and gradually a shock wave that travels outward through the star.
cools. A high mass star goes further. The fusion The result is a huge explosion called a supernova.
converts carbon into heavier elements which is the The core remains as an incredibly dense remnant. It
future fuel for the star. These processes produce will either be a neutron star or a black hole.

SWACHAND
PALLIKKARA III B
|
Trees

“Oh, trees!
You give and provide,
You are the world’s best friend,
You are our guide.
You give us everything,
You are the beauty of nature,
You teach us generosity and joy,
You are our hero.
Without you,
The world is zero.”

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