Transcript I. Layers of the Sun

The Sun
By Mrs. Allen
I. Layers of the Sun
A.
B.
C.
The Core: The center of the sun
where fusion takes place.
Radiation zone: energy flows from
core.
Convection zone: energy circles
back toward core and is then pushed
back out by energy coming from
radiation zone.
I. Layers of the Sun
A.
B.
C.
Photosphere: The layer from which
light is given off.
Chromosphere: The layer that
extends above the photosphere.
Corona: Largest layer of the suns
atmosphere and extends millions of
km.
II. Parts of the Sun
A.
Sunspots: Cool areas around the sun
which are not permanent.
1. Caused by Magnetic Fields.
2. High numbers occur every 11
years.
3. Occur in pairs.
4. When 2 sunspots come together,
prominences and flares are
produced.
II. Parts of the Sun
A.
B.
Prominences: Huge
arching columns of gas.
Flares: Violent eruptions
shooting outward from
the sun at high speeds.
III. Characteristics of the Sun
A.
B.
C.
D.
E.
F.
99% of all the matter in our solar system is
in the sun.
The sun is the center of the solar system.
The sun is a main-sequence star.
The sun produces energy by fusion.
75% Hydrogen and 25% Helium fuse in the
core.
Fusing means two atoms combine to form
a heavier atom.
IV. Interesting Facts
A.
B.
C.
D.
E.
The sun is a G2 star.
The temperature of the core is 15.6 million
Kelvin.
The sun is approximately 4.5 billion years
old.
The sun emits a low-density stream of
charged particles known as the solar wind.
Our sun is unique, not part of a binary
system, 2 stars orbiting each other.