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Welcome to our study of the
SOLAR SYSTEM6th Grade
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What is the Solar System?
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The Solar System Comprises the Sun, its planetary systems of eight planets, their moons, and other non-stellar objects
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If we are starting our study of the solar system, where is a
logical place to start?
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What is at the center of our
Solar System?
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THE SUN
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Where did the Sun get its name?
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The Romans called the sun “Sol,” which in English
means “Sun.”
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We are beginning with the Sun because it is the
center of our solar system and it has high
level of gravity that keeps the planets, their
moons, and other satellites in the solar
system from flying away into space
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What is the Sun? A yellow star at the center of our solar system
Almost perfectly spherical
4.6 billion years old
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How big do you think the Sun is?
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How big do you think the Sun is?
Has a diameter of 865,374 miles
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How big is the Sun compared to
the Earth?
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The Sun’s SizeThe Sun’s diameter is 109 times the size of the Earth’s diameter
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If the sun were a hollow ball, how many Earths could fit
into it?
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If the Sun were a hollow ball, more
than 1 million Earths could fit
inside it.
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What is the Sun made of?
A) Solid
B) Liquid
C) Gas
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Sun’s Composition
The Sun is made up of gases
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What specific gases make up
the Sun? Hint: TWO are very important
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Which two gases make up the Sun?
1) HYDROGEN = about 75%2) HELIUM = MOST of the rest
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Remember that the two gases that make up the majority of the
Sun are…Hydrogen + Helium = Hot
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There is also a small amount of??
(4 others)
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3) Carbon, Oxygen, Iron, Neon = less than 2%
To remember the
others = C.O.I.N!
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How hot do you think that the Sun
can get?
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Think about the temperature on Earth
* 90 degrees F is considered extremely hot on Earth, so what would be extremely hot for the sun?
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What is the temperature of the
Sun? The temperature varies, but it can get
as hot as 27 million degrees F.