Download Color of stars from hottest to coolest White The size of

Sun
/ star notes
Color of stars from hottest
to
coolest
Blue
Blue White
White
Yellow
Orange
Red
The sun is a medium size yellow star. lt is the closest star to earth. lt is the center
of our solar system
The size of the sun is equal to the size of one million earths
The core of the sun is the size of Jupiter.
The sun is made mostly of hydrogen and helium
It takes the light from the sun 8 min L7 sec to get from the surface of the sun to
earth. The sun is 92.9 million miles away from earth
Energy radiates out from the core of the sun. lt takes energy from the core of the
sun 1-,000,000 years to get from the core of the sun to its surface.
The sun's mass is equal to 99.8% of total solar system
Copernicus was the first to say the earth revolves around the sun
The sun makes life possible. lt gives us food, energy, seasons, weather plants, and
light.
It takes 365 % days to go around the sun (one year)
Our atmosphere blocks out most of the sun's rays. Without an atmosphere
temperatures on earth would be 250 F to -250 F
The parts of the sun are:
Core
-
center of sun
Radiative Zone
--
Convection Zone
-
Energy here radiates out from the sun
currents of hot gas rise and fall here
Photosphere -Sphere of light. lt is 340 miles deep. lt is the surface , and the part
of the sun we see.
Corona-Halo or crown that can only be seen during a solar eclipse. lt
is
the outer
layer of the sun's atmosphere. lt is one million miles high
Chromosphere
-
sphere of colors, it gives off a reddish light about 600 miles thick
Flares -sudden bright bursts of energy that occur around sunspots. One solar
Flare can release the same energy as 40 billion atomic bombs
Prominences
Sun Spots
-
-
giant arches of gas that erupt between sun spots
Dark patches on sun's surface. They are about 22OO degrees cooler
Than the rest of the sun's surface. They last about eleven years.
Solar Wind
Granules
-
-
a stream of particles that flows from the sun in all direstions
a line or squiggle that is about 600 miles across. lt happens with the
rising and falling of gas. They last about 8 min.
Total Solar eclipse- The moon blocks out the entire sun except for a halo (corona)
Partial Solar eclipse- covers only part of the sun
Annular Eclipse- The moon can't block out all of the sun because of it's position in
orbit. The annular is a ring brighter than the corona