Transcript Stars, Galaxies and Black Holes

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Stars, Galaxies and Black
Holes
By Ivy P-G & Isla Menneer
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Stars
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• There are a few types of stars, one type
is a Red Dwarf.
• Red Dwarf’s are not as hot as the
others. The colour depends on the heat
of the actual star. Red Dwarfs are the
most common stars.
• The brightest star is called a cappella. A
group of stars is called a constellation.
Did You Know?
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• Did you know that
the universe is still
expanding?
• Did you know that
when the universe
was created it had
to cool to 3000
degrees before stars
were created?
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Galaxies
• Galaxies are a collection of gas, dust
and stars.
• Our Galaxy is made up of over 100
million stars!
• There are three types of Galaxies they
are: Spiral, elliptical and irregular. Our
Galaxy is a spiral galaxy.
Did You Know?
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• Did you know that
spiral galaxies are
the most beautiful
<---- This is a spiral
Galaxy.
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Black Holes
• Black holes have three layers: The
Outer Event Horizon, The Inner Event
Horizon and the Singularity(big
squashed star)!
• There is two types of Black Holes a
Supernova and a Stellar-mass. The
Supernova is the biggest.
• A Black hole can suck in anything
Did You Know?
• Did you know that a
Black Hole is a Star
that has died?
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• Did you know as a
Black Hole sucks in
more it gets more
powerful?
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THANKS FOR WATCHING!!!!